1970476840

素因数分解:

$2^3\times 5^1\times {\mathrm{3217}}^1\times {\mathrm{15313}}^1$

素因数の和:18541

約数の個数: 32

約数和(自身を含む): 4435240680

約数和(自身を除く): 2464763840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3217, 6434, 12868, 15313, 16085, 25736, 30626, 32170, 61252, 64340, 76565, 122504, 128680, 153130, 306260, 612520, 49261921, 98523842, 197047684, 246309605, 394095368, 492619210, 985238420, 1970476840]

約数ペア:

[(1, 1970476840), (2, 985238420), (4, 492619210), (5, 394095368), (8, 246309605), (10, 197047684), (20, 98523842), (40, 49261921), (3217, 612520), (6434, 306260), (12868, 153130), (15313, 128680), (16085, 122504), (25736, 76565), (30626, 64340), (32170, 61252)]