40041625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{601}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 55220256

約数和(自身を除く): 15178631

約数列:

[1, 5, 13, 25, 41, 65, 125, 205, 325, 533, 601, 1025, 1625, 2665, 3005, 5125, 7813, 13325, 15025, 24641, 39065, 66625, 75125, 123205, 195325, 320333, 616025, 976625, 1601665, 3080125, 8008325, 40041625]

約数ペア:

[(1, 40041625), (5, 8008325), (13, 3080125), (25, 1601665), (41, 976625), (65, 616025), (125, 320333), (205, 195325), (325, 123205), (533, 75125), (601, 66625), (1025, 39065), (1625, 24641), (2665, 15025), (3005, 13325), (5125, 7813)]