78974320

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13523}}^1$

素因数の和:13609

約数の個数: 40

約数和(自身を含む): 186144336

約数和(自身を除く): 107170016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 13523, 27046, 54092, 67615, 108184, 135230, 216368, 270460, 540920, 987179, 1081840, 1974358, 3948716, 4935895, 7897432, 9871790, 15794864, 19743580, 39487160, 78974320]

約数ペア:

[(1, 78974320), (2, 39487160), (4, 19743580), (5, 15794864), (8, 9871790), (10, 7897432), (16, 4935895), (20, 3948716), (40, 1974358), (73, 1081840), (80, 987179), (146, 540920), (292, 270460), (365, 216368), (584, 135230), (730, 108184), (1168, 67615), (1460, 54092), (2920, 27046), (5840, 13523)]