3780496520

素因数分解:

$2^3\times 5^1\times {\mathrm{11789}}^1\times {\mathrm{8017}}^1$

素因数の和:19817

約数の個数: 32

約数和(自身を含む): 8507899800

約数和(自身を除く): 4727403280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 8017, 11789, 16034, 23578, 32068, 40085, 47156, 58945, 64136, 80170, 94312, 117890, 160340, 235780, 320680, 471560, 94512413, 189024826, 378049652, 472562065, 756099304, 945124130, 1890248260, 3780496520]

約数ペア:

[(1, 3780496520), (2, 1890248260), (4, 945124130), (5, 756099304), (8, 472562065), (10, 378049652), (20, 189024826), (40, 94512413), (8017, 471560), (11789, 320680), (16034, 235780), (23578, 160340), (32068, 117890), (40085, 94312), (47156, 80170), (58945, 64136)]