1989324625

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{541}}^1\times {\mathrm{1279}}^1$

素因数の和:1858

約数の個数: 32

約数和(自身を含む): 2597437440

約数和(自身を除く): 608112815

約数列:

[1, 5, 23, 25, 115, 125, 541, 575, 1279, 2705, 2875, 6395, 12443, 13525, 29417, 31975, 62215, 67625, 147085, 159875, 311075, 691939, 735425, 1555375, 3459695, 3677125, 15914597, 17298475, 79572985, 86492375, 397864925, 1989324625]

約数ペア:

[(1, 1989324625), (5, 397864925), (23, 86492375), (25, 79572985), (115, 17298475), (125, 15914597), (541, 3677125), (575, 3459695), (1279, 1555375), (2705, 735425), (2875, 691939), (6395, 311075), (12443, 159875), (13525, 147085), (29417, 67625), (31975, 62215)]