64922680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1277}}^1$

素因数の和:1360

約数の個数: 64

約数和(自身を含む): 154586880

約数和(自身を除く): 89664200

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, 1277, 1640, 2542, 2554, 5084, 5108, 6355, 6385, 10168, 10216, 12710, 12770, 25420, 25540, 39587, 50840, 51080, 52357, 79174, 104714, 158348, 197935, 209428, 261785, 316696, 395870, 418856, 523570, 791740, 1047140, 1583480, 1623067, 2094280, 3246134, 6492268, 8115335, 12984536, 16230670, 32461340, 64922680]

約数ペア:

[(1, 64922680), (2, 32461340), (4, 16230670), (5, 12984536), (8, 8115335), (10, 6492268), (20, 3246134), (31, 2094280), (40, 1623067), (41, 1583480), (62, 1047140), (82, 791740), (124, 523570), (155, 418856), (164, 395870), (205, 316696), (248, 261785), (310, 209428), (328, 197935), (410, 158348), (620, 104714), (820, 79174), (1240, 52357), (1271, 51080), (1277, 50840), (1640, 39587), (2542, 25540), (2554, 25420), (5084, 12770), (5108, 12710), (6355, 10216), (6385, 10168)]