80974480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:464

約数の個数: 80

約数和(自身を含む): 196844544

約数和(自身を除く): 115870064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 103, 124, 155, 206, 248, 310, 317, 412, 496, 515, 620, 634, 824, 1030, 1240, 1268, 1585, 1648, 2060, 2480, 2536, 3170, 3193, 4120, 5072, 6340, 6386, 8240, 9827, 12680, 12772, 15965, 19654, 25360, 25544, 31930, 32651, 39308, 49135, 51088, 63860, 65302, 78616, 98270, 127720, 130604, 157232, 163255, 196540, 255440, 261208, 326510, 393080, 522416, 653020, 786160, 1012181, 1306040, 2024362, 2612080, 4048724, 5060905, 8097448, 10121810, 16194896, 20243620, 40487240, 80974480]

約数ペア:

[(1, 80974480), (2, 40487240), (4, 20243620), (5, 16194896), (8, 10121810), (10, 8097448), (16, 5060905), (20, 4048724), (31, 2612080), (40, 2024362), (62, 1306040), (80, 1012181), (103, 786160), (124, 653020), (155, 522416), (206, 393080), (248, 326510), (310, 261208), (317, 255440), (412, 196540), (496, 163255), (515, 157232), (620, 130604), (634, 127720), (824, 98270), (1030, 78616), (1240, 65302), (1268, 63860), (1585, 51088), (1648, 49135), (2060, 39308), (2480, 32651), (2536, 31930), (3170, 25544), (3193, 25360), (4120, 19654), (5072, 15965), (6340, 12772), (6386, 12680), (8240, 9827)]