91372051280

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{18723781}}^1$

素因数の和:18723855

約数の個数: 40

約数和(自身を含む): 215922654024

約数和(自身を除く): 124550602744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 18723781, 37447562, 74895124, 93618905, 149790248, 187237810, 299580496, 374475620, 748951240, 1142150641, 1497902480, 2284301282, 4568602564, 5710753205, 9137205128, 11421506410, 18274410256, 22843012820, 45686025640, 91372051280]

約数ペア:

[(1, 91372051280), (2, 45686025640), (4, 22843012820), (5, 18274410256), (8, 11421506410), (10, 9137205128), (16, 5710753205), (20, 4568602564), (40, 2284301282), (61, 1497902480), (80, 1142150641), (122, 748951240), (244, 374475620), (305, 299580496), (488, 187237810), (610, 149790248), (976, 93618905), (1220, 74895124), (2440, 37447562), (4880, 18723781)]