79869640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1571}}^1$

素因数の和:1654

約数の個数: 64

約数和(自身を含む): 190149120

約数和(自身を除く): 110279480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 620, 820, 1240, 1271, 1571, 1640, 2542, 3142, 5084, 6284, 6355, 7855, 10168, 12568, 12710, 15710, 25420, 31420, 48701, 50840, 62840, 64411, 97402, 128822, 194804, 243505, 257644, 322055, 389608, 487010, 515288, 644110, 974020, 1288220, 1948040, 1996741, 2576440, 3993482, 7986964, 9983705, 15973928, 19967410, 39934820, 79869640]

約数ペア:

[(1, 79869640), (2, 39934820), (4, 19967410), (5, 15973928), (8, 9983705), (10, 7986964), (20, 3993482), (31, 2576440), (40, 1996741), (41, 1948040), (62, 1288220), (82, 974020), (124, 644110), (155, 515288), (164, 487010), (205, 389608), (248, 322055), (310, 257644), (328, 243505), (410, 194804), (620, 128822), (820, 97402), (1240, 64411), (1271, 62840), (1571, 50840), (1640, 48701), (2542, 31420), (3142, 25420), (5084, 15710), (6284, 12710), (6355, 12568), (7855, 10168)]