8195080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 19958400

約数和(自身を除く): 11763320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 263, 328, 380, 410, 526, 760, 779, 820, 1052, 1315, 1558, 1640, 2104, 2630, 3116, 3895, 4997, 5260, 6232, 7790, 9994, 10520, 10783, 15580, 19988, 21566, 24985, 31160, 39976, 43132, 49970, 53915, 86264, 99940, 107830, 199880, 204877, 215660, 409754, 431320, 819508, 1024385, 1639016, 2048770, 4097540, 8195080]

約数ペア:

[(1, 8195080), (2, 4097540), (4, 2048770), (5, 1639016), (8, 1024385), (10, 819508), (19, 431320), (20, 409754), (38, 215660), (40, 204877), (41, 199880), (76, 107830), (82, 99940), (95, 86264), (152, 53915), (164, 49970), (190, 43132), (205, 39976), (263, 31160), (328, 24985), (380, 21566), (410, 19988), (526, 15580), (760, 10783), (779, 10520), (820, 9994), (1052, 7790), (1315, 6232), (1558, 5260), (1640, 4997), (2104, 3895), (2630, 3116)]