2106389840

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{84121}}^1$

素因数の和:84447

約数の個数: 40

約数和(自身を含む): 4913061288

約数和(自身を除く): 2806671448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 626, 1252, 1565, 2504, 3130, 5008, 6260, 12520, 25040, 84121, 168242, 336484, 420605, 672968, 841210, 1345936, 1682420, 3364840, 6729680, 26329873, 52659746, 105319492, 131649365, 210638984, 263298730, 421277968, 526597460, 1053194920, 2106389840]

約数ペア:

[(1, 2106389840), (2, 1053194920), (4, 526597460), (5, 421277968), (8, 263298730), (10, 210638984), (16, 131649365), (20, 105319492), (40, 52659746), (80, 26329873), (313, 6729680), (626, 3364840), (1252, 1682420), (1565, 1345936), (2504, 841210), (3130, 672968), (5008, 420605), (6260, 336484), (12520, 168242), (25040, 84121)]