130521640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{653}}^1$

素因数の和:946

約数の個数: 64

約数和(自身を含む): 310780800

約数和(自身を除く): 180259160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 263, 380, 526, 653, 760, 1052, 1306, 1315, 2104, 2612, 2630, 3265, 4997, 5224, 5260, 6530, 9994, 10520, 12407, 13060, 19988, 24814, 24985, 26120, 39976, 49628, 49970, 62035, 99256, 99940, 124070, 171739, 199880, 248140, 343478, 496280, 686956, 858695, 1373912, 1717390, 3263041, 3434780, 6526082, 6869560, 13052164, 16315205, 26104328, 32630410, 65260820, 130521640]

約数ペア:

[(1, 130521640), (2, 65260820), (4, 32630410), (5, 26104328), (8, 16315205), (10, 13052164), (19, 6869560), (20, 6526082), (38, 3434780), (40, 3263041), (76, 1717390), (95, 1373912), (152, 858695), (190, 686956), (263, 496280), (380, 343478), (526, 248140), (653, 199880), (760, 171739), (1052, 124070), (1306, 99940), (1315, 99256), (2104, 62035), (2612, 49970), (2630, 49628), (3265, 39976), (4997, 26120), (5224, 24985), (5260, 24814), (6530, 19988), (9994, 13060), (10520, 12407)]