31255120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{733}}^1$

素因数の和:800

約数の個数: 80

約数和(自身を含む): 80276112

約数和(自身を除く): 49020992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 733, 820, 1040, 1066, 1466, 1640, 2132, 2665, 2932, 3280, 3665, 4264, 5330, 5864, 7330, 8528, 9529, 10660, 11728, 14660, 19058, 21320, 29320, 30053, 38116, 42640, 47645, 58640, 60106, 76232, 95290, 120212, 150265, 152464, 190580, 240424, 300530, 381160, 390689, 480848, 601060, 762320, 781378, 1202120, 1562756, 1953445, 2404240, 3125512, 3906890, 6251024, 7813780, 15627560, 31255120]

約数ペア:

[(1, 31255120), (2, 15627560), (4, 7813780), (5, 6251024), (8, 3906890), (10, 3125512), (13, 2404240), (16, 1953445), (20, 1562756), (26, 1202120), (40, 781378), (41, 762320), (52, 601060), (65, 480848), (80, 390689), (82, 381160), (104, 300530), (130, 240424), (164, 190580), (205, 152464), (208, 150265), (260, 120212), (328, 95290), (410, 76232), (520, 60106), (533, 58640), (656, 47645), (733, 42640), (820, 38116), (1040, 30053), (1066, 29320), (1466, 21320), (1640, 19058), (2132, 14660), (2665, 11728), (2932, 10660), (3280, 9529), (3665, 8528), (4264, 7330), (5330, 5864)]