89605640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{421}}^1$

素因数の和:762

約数の個数: 64

約数和(自身を含む): 214662960

約数和(自身を除く): 125057320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 313, 340, 421, 626, 680, 842, 1252, 1565, 1684, 2105, 2504, 3130, 3368, 4210, 5321, 6260, 7157, 8420, 10642, 12520, 14314, 16840, 21284, 26605, 28628, 35785, 42568, 53210, 57256, 71570, 106420, 131773, 143140, 212840, 263546, 286280, 527092, 658865, 1054184, 1317730, 2240141, 2635460, 4480282, 5270920, 8960564, 11200705, 17921128, 22401410, 44802820, 89605640]

約数ペア:

[(1, 89605640), (2, 44802820), (4, 22401410), (5, 17921128), (8, 11200705), (10, 8960564), (17, 5270920), (20, 4480282), (34, 2635460), (40, 2240141), (68, 1317730), (85, 1054184), (136, 658865), (170, 527092), (313, 286280), (340, 263546), (421, 212840), (626, 143140), (680, 131773), (842, 106420), (1252, 71570), (1565, 57256), (1684, 53210), (2105, 42568), (2504, 35785), (3130, 28628), (3368, 26605), (4210, 21284), (5321, 16840), (6260, 14314), (7157, 12520), (8420, 10642)]