887120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{853}}^1$

素因数の和:879

約数の個数: 40

約数和(自身を含む): 2223816

約数和(自身を除く): 1336696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 853, 1040, 1706, 3412, 4265, 6824, 8530, 11089, 13648, 17060, 22178, 34120, 44356, 55445, 68240, 88712, 110890, 177424, 221780, 443560, 887120]

約数ペア:

[(1, 887120), (2, 443560), (4, 221780), (5, 177424), (8, 110890), (10, 88712), (13, 68240), (16, 55445), (20, 44356), (26, 34120), (40, 22178), (52, 17060), (65, 13648), (80, 11089), (104, 8530), (130, 6824), (208, 4265), (260, 3412), (520, 1706), (853, 1040)]