40008280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1637}}^1$

素因数の和:1708

約数の個数: 64

約数和(自身を含む): 99066240

約数和(自身を除く): 59057960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 940, 1222, 1637, 1880, 2444, 3055, 3274, 4888, 6110, 6548, 8185, 12220, 13096, 16370, 21281, 24440, 32740, 42562, 65480, 76939, 85124, 106405, 153878, 170248, 212810, 307756, 384695, 425620, 615512, 769390, 851240, 1000207, 1538780, 2000414, 3077560, 4000828, 5001035, 8001656, 10002070, 20004140, 40008280]

約数ペア:

[(1, 40008280), (2, 20004140), (4, 10002070), (5, 8001656), (8, 5001035), (10, 4000828), (13, 3077560), (20, 2000414), (26, 1538780), (40, 1000207), (47, 851240), (52, 769390), (65, 615512), (94, 425620), (104, 384695), (130, 307756), (188, 212810), (235, 170248), (260, 153878), (376, 106405), (470, 85124), (520, 76939), (611, 65480), (940, 42562), (1222, 32740), (1637, 24440), (1880, 21281), (2444, 16370), (3055, 13096), (3274, 12220), (4888, 8185), (6110, 6548)]