4064720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:204

約数の個数: 80

約数和(自身を含む): 10713600

約数和(自身を除く): 6648880

約数列:

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

約数ペア:

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