65705840

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{11251}}^1$

素因数の和:11337

約数の個数: 40

約数和(自身を含む): 154872528

約数和(自身を除く): 89166688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 11251, 22502, 45004, 56255, 90008, 112510, 180016, 225020, 450040, 821323, 900080, 1642646, 3285292, 4106615, 6570584, 8213230, 13141168, 16426460, 32852920, 65705840]

約数ペア:

[(1, 65705840), (2, 32852920), (4, 16426460), (5, 13141168), (8, 8213230), (10, 6570584), (16, 4106615), (20, 3285292), (40, 1642646), (73, 900080), (80, 821323), (146, 450040), (292, 225020), (365, 180016), (584, 112510), (730, 90008), (1168, 56255), (1460, 45004), (2920, 22502), (5840, 11251)]