71380520

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{9343}}^1$

素因数の和:9545

約数の個数: 32

約数和(自身を含む): 161464320

約数和(自身を除く): 90083800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 9343, 18686, 37372, 46715, 74744, 93430, 186860, 373720, 1784513, 3569026, 7138052, 8922565, 14276104, 17845130, 35690260, 71380520]

約数ペア:

[(1, 71380520), (2, 35690260), (4, 17845130), (5, 14276104), (8, 8922565), (10, 7138052), (20, 3569026), (40, 1784513), (191, 373720), (382, 186860), (764, 93430), (955, 74744), (1528, 46715), (1910, 37372), (3820, 18686), (7640, 9343)]