86765120

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20857}}^1$

素因数の和:20887

約数の個数: 56

約数和(自身を含む): 222513144

約数和(自身を除く): 135748024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 20857, 41714, 83428, 104285, 166856, 208570, 271141, 333712, 417140, 542282, 667424, 834280, 1084564, 1334848, 1355705, 1668560, 2169128, 2711410, 3337120, 4338256, 5422820, 6674240, 8676512, 10845640, 17353024, 21691280, 43382560, 86765120]

約数ペア:

[(1, 86765120), (2, 43382560), (4, 21691280), (5, 17353024), (8, 10845640), (10, 8676512), (13, 6674240), (16, 5422820), (20, 4338256), (26, 3337120), (32, 2711410), (40, 2169128), (52, 1668560), (64, 1355705), (65, 1334848), (80, 1084564), (104, 834280), (130, 667424), (160, 542282), (208, 417140), (260, 333712), (320, 271141), (416, 208570), (520, 166856), (832, 104285), (1040, 83428), (2080, 41714), (4160, 20857)]