72179320

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2789}}^1$

素因数の和:3447

約数の個数: 32

約数和(自身を含む): 162712800

約数和(自身を除く): 90533480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2588, 2789, 3235, 5176, 5578, 6470, 11156, 12940, 13945, 22312, 25880, 27890, 55780, 111560, 1804483, 3608966, 7217932, 9022415, 14435864, 18044830, 36089660, 72179320]

約数ペア:

[(1, 72179320), (2, 36089660), (4, 18044830), (5, 14435864), (8, 9022415), (10, 7217932), (20, 3608966), (40, 1804483), (647, 111560), (1294, 55780), (2588, 27890), (2789, 25880), (3235, 22312), (5176, 13945), (5578, 12940), (6470, 11156)]