78620240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{57809}}^1$

素因数の和:57839

約数の個数: 40

約数和(自身を含む): 193547880

約数和(自身を除く): 114927640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 57809, 115618, 231236, 289045, 462472, 578090, 924944, 982753, 1156180, 1965506, 2312360, 3931012, 4624720, 4913765, 7862024, 9827530, 15724048, 19655060, 39310120, 78620240]

約数ペア:

[(1, 78620240), (2, 39310120), (4, 19655060), (5, 15724048), (8, 9827530), (10, 7862024), (16, 4913765), (17, 4624720), (20, 3931012), (34, 2312360), (40, 1965506), (68, 1156180), (80, 982753), (85, 924944), (136, 578090), (170, 462472), (272, 289045), (340, 231236), (680, 115618), (1360, 57809)]