2619268720

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{80051}}^1$

素因数の和:80473

約数の個数: 40

約数和(自身を含む): 6104765520

約数和(自身を除く): 3485496800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1636, 2045, 3272, 4090, 6544, 8180, 16360, 32720, 80051, 160102, 320204, 400255, 640408, 800510, 1280816, 1601020, 3202040, 6404080, 32740859, 65481718, 130963436, 163704295, 261926872, 327408590, 523853744, 654817180, 1309634360, 2619268720]

約数ペア:

[(1, 2619268720), (2, 1309634360), (4, 654817180), (5, 523853744), (8, 327408590), (10, 261926872), (16, 163704295), (20, 130963436), (40, 65481718), (80, 32740859), (409, 6404080), (818, 3202040), (1636, 1601020), (2045, 1280816), (3272, 800510), (4090, 640408), (6544, 400255), (8180, 320204), (16360, 160102), (32720, 80051)]