8129440

素因数分解:

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

素因数の和:206

約数の個数: 96

約数和(自身を含む): 21772800

約数和(自身を除く): 13643360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 110, 124, 149, 155, 160, 176, 220, 248, 298, 310, 341, 352, 440, 496, 596, 620, 682, 745, 880, 992, 1192, 1240, 1364, 1490, 1639, 1705, 1760, 2384, 2480, 2728, 2980, 3278, 3410, 4619, 4768, 4960, 5456, 5960, 6556, 6820, 8195, 9238, 10912, 11920, 13112, 13640, 16390, 18476, 23095, 23840, 26224, 27280, 32780, 36952, 46190, 50809, 52448, 54560, 65560, 73904, 92380, 101618, 131120, 147808, 184760, 203236, 254045, 262240, 369520, 406472, 508090, 739040, 812944, 1016180, 1625888, 2032360, 4064720, 8129440]

約数ペア:

[(1, 8129440), (2, 4064720), (4, 2032360), (5, 1625888), (8, 1016180), (10, 812944), (11, 739040), (16, 508090), (20, 406472), (22, 369520), (31, 262240), (32, 254045), (40, 203236), (44, 184760), (55, 147808), (62, 131120), (80, 101618), (88, 92380), (110, 73904), (124, 65560), (149, 54560), (155, 52448), (160, 50809), (176, 46190), (220, 36952), (248, 32780), (298, 27280), (310, 26224), (341, 23840), (352, 23095), (440, 18476), (496, 16390), (596, 13640), (620, 13112), (682, 11920), (745, 10912), (880, 9238), (992, 8195), (1192, 6820), (1240, 6556), (1364, 5960), (1490, 5456), (1639, 4960), (1705, 4768), (1760, 4619), (2384, 3410), (2480, 3278), (2728, 2980)]