71807660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211199}}^1$

素因数の和:211225

約数の個数: 24

約数和(自身を含む): 159667200

約数和(自身を除く): 87859540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 211199, 422398, 844796, 1055995, 2111990, 3590383, 4223980, 7180766, 14361532, 17951915, 35903830, 71807660]

約数ペア:

[(1, 71807660), (2, 35903830), (4, 17951915), (5, 14361532), (10, 7180766), (17, 4223980), (20, 3590383), (34, 2111990), (68, 1055995), (85, 844796), (170, 422398), (340, 211199)]