8087920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:362

約数の個数: 80

約数和(自身を含む): 21025440

約数和(自身を除く): 12937520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 313, 323, 340, 380, 626, 646, 680, 760, 1252, 1292, 1360, 1520, 1565, 1615, 2504, 2584, 3130, 3230, 5008, 5168, 5321, 5947, 6260, 6460, 10642, 11894, 12520, 12920, 21284, 23788, 25040, 25840, 26605, 29735, 42568, 47576, 53210, 59470, 85136, 95152, 101099, 106420, 118940, 202198, 212840, 237880, 404396, 425680, 475760, 505495, 808792, 1010990, 1617584, 2021980, 4043960, 8087920]

約数ペア:

[(1, 8087920), (2, 4043960), (4, 2021980), (5, 1617584), (8, 1010990), (10, 808792), (16, 505495), (17, 475760), (19, 425680), (20, 404396), (34, 237880), (38, 212840), (40, 202198), (68, 118940), (76, 106420), (80, 101099), (85, 95152), (95, 85136), (136, 59470), (152, 53210), (170, 47576), (190, 42568), (272, 29735), (304, 26605), (313, 25840), (323, 25040), (340, 23788), (380, 21284), (626, 12920), (646, 12520), (680, 11894), (760, 10642), (1252, 6460), (1292, 6260), (1360, 5947), (1520, 5321), (1565, 5168), (1615, 5008), (2504, 3230), (2584, 3130)]