23105540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 50803200

約数和(自身を除く): 27697660

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 124, 155, 166, 310, 332, 415, 449, 620, 830, 898, 1660, 1796, 2245, 2573, 4490, 5146, 8980, 10292, 12865, 13919, 25730, 27838, 37267, 51460, 55676, 69595, 74534, 139190, 149068, 186335, 278380, 372670, 745340, 1155277, 2310554, 4621108, 5776385, 11552770, 23105540]

約数ペア:

[(1, 23105540), (2, 11552770), (4, 5776385), (5, 4621108), (10, 2310554), (20, 1155277), (31, 745340), (62, 372670), (83, 278380), (124, 186335), (155, 149068), (166, 139190), (310, 74534), (332, 69595), (415, 55676), (449, 51460), (620, 37267), (830, 27838), (898, 25730), (1660, 13919), (1796, 12865), (2245, 10292), (2573, 8980), (4490, 5146)]