40490320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38933}}^1$

素因数の和:38959

約数の個数: 40

約数和(自身を含む): 101384136

約数和(自身を除く): 60893816

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 38933, 77866, 155732, 194665, 311464, 389330, 506129, 622928, 778660, 1012258, 1557320, 2024516, 2530645, 3114640, 4049032, 5061290, 8098064, 10122580, 20245160, 40490320]

約数ペア:

[(1, 40490320), (2, 20245160), (4, 10122580), (5, 8098064), (8, 5061290), (10, 4049032), (13, 3114640), (16, 2530645), (20, 2024516), (26, 1557320), (40, 1012258), (52, 778660), (65, 622928), (80, 506129), (104, 389330), (130, 311464), (208, 194665), (260, 155732), (520, 77866), (1040, 38933)]