10987960

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 25894080

約数和(自身を除く): 14906120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 71, 73, 106, 142, 146, 212, 265, 284, 292, 355, 365, 424, 530, 568, 584, 710, 730, 1060, 1420, 1460, 2120, 2840, 2920, 3763, 3869, 5183, 7526, 7738, 10366, 15052, 15476, 18815, 19345, 20732, 25915, 30104, 30952, 37630, 38690, 41464, 51830, 75260, 77380, 103660, 150520, 154760, 207320, 274699, 549398, 1098796, 1373495, 2197592, 2746990, 5493980, 10987960]

約数ペア:

[(1, 10987960), (2, 5493980), (4, 2746990), (5, 2197592), (8, 1373495), (10, 1098796), (20, 549398), (40, 274699), (53, 207320), (71, 154760), (73, 150520), (106, 103660), (142, 77380), (146, 75260), (212, 51830), (265, 41464), (284, 38690), (292, 37630), (355, 30952), (365, 30104), (424, 25915), (530, 20732), (568, 19345), (584, 18815), (710, 15476), (730, 15052), (1060, 10366), (1420, 7738), (1460, 7526), (2120, 5183), (2840, 3869), (2920, 3763)]