80523380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{7879}}^1$

素因数の和:7968

約数の個数: 48

約数和(自身を含む): 195928320

約数和(自身を除く): 115404940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 7879, 10220, 15758, 31516, 39395, 55153, 78790, 110306, 157580, 220612, 275765, 551530, 575167, 1103060, 1150334, 2300668, 2875835, 4026169, 5751670, 8052338, 11503340, 16104676, 20130845, 40261690, 80523380]

約数ペア:

[(1, 80523380), (2, 40261690), (4, 20130845), (5, 16104676), (7, 11503340), (10, 8052338), (14, 5751670), (20, 4026169), (28, 2875835), (35, 2300668), (70, 1150334), (73, 1103060), (140, 575167), (146, 551530), (292, 275765), (365, 220612), (511, 157580), (730, 110306), (1022, 78790), (1460, 55153), (2044, 39395), (2555, 31516), (5110, 15758), (7879, 10220)]