2015490320

素因数分解:

$2^4\times 5^1\times {\mathrm{25193629}}^1$

素因数の和:25193642

約数の個数: 20

約数和(自身を含む): 4686015180

約数和(自身を除く): 2670524860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25193629, 50387258, 100774516, 125968145, 201549032, 251936290, 403098064, 503872580, 1007745160, 2015490320]

約数ペア:

[(1, 2015490320), (2, 1007745160), (4, 503872580), (5, 403098064), (8, 251936290), (10, 201549032), (16, 125968145), (20, 100774516), (40, 50387258), (80, 25193629)]