40647200

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:211

約数の個数: 144

約数和(自身を含む): 112492800

約数和(自身を除く): 71845600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 32, 40, 44, 50, 55, 62, 80, 88, 100, 110, 124, 149, 155, 160, 176, 200, 220, 248, 275, 298, 310, 341, 352, 400, 440, 496, 550, 596, 620, 682, 745, 775, 800, 880, 992, 1100, 1192, 1240, 1364, 1490, 1550, 1639, 1705, 1760, 2200, 2384, 2480, 2728, 2980, 3100, 3278, 3410, 3725, 4400, 4619, 4768, 4960, 5456, 5960, 6200, 6556, 6820, 7450, 8195, 8525, 8800, 9238, 10912, 11920, 12400, 13112, 13640, 14900, 16390, 17050, 18476, 23095, 23840, 24800, 26224, 27280, 29800, 32780, 34100, 36952, 40975, 46190, 50809, 52448, 54560, 59600, 65560, 68200, 73904, 81950, 92380, 101618, 115475, 119200, 131120, 136400, 147808, 163900, 184760, 203236, 230950, 254045, 262240, 272800, 327800, 369520, 406472, 461900, 508090, 655600, 739040, 812944, 923800, 1016180, 1270225, 1311200, 1625888, 1847600, 2032360, 2540450, 3695200, 4064720, 5080900, 8129440, 10161800, 20323600, 40647200]

約数ペア:

[(1, 40647200), (2, 20323600), (4, 10161800), (5, 8129440), (8, 5080900), (10, 4064720), (11, 3695200), (16, 2540450), (20, 2032360), (22, 1847600), (25, 1625888), (31, 1311200), (32, 1270225), (40, 1016180), (44, 923800), (50, 812944), (55, 739040), (62, 655600), (80, 508090), (88, 461900), (100, 406472), (110, 369520), (124, 327800), (149, 272800), (155, 262240), (160, 254045), (176, 230950), (200, 203236), (220, 184760), (248, 163900), (275, 147808), (298, 136400), (310, 131120), (341, 119200), (352, 115475), (400, 101618), (440, 92380), (496, 81950), (550, 73904), (596, 68200), (620, 65560), (682, 59600), (745, 54560), (775, 52448), (800, 50809), (880, 46190), (992, 40975), (1100, 36952), (1192, 34100), (1240, 32780), (1364, 29800), (1490, 27280), (1550, 26224), (1639, 24800), (1705, 23840), (1760, 23095), (2200, 18476), (2384, 17050), (2480, 16390), (2728, 14900), (2980, 13640), (3100, 13112), (3278, 12400), (3410, 11920), (3725, 10912), (4400, 9238), (4619, 8800), (4768, 8525), (4960, 8195), (5456, 7450), (5960, 6820), (6200, 6556)]