83013125

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{601}}^1$

素因数の和:651

約数の個数: 40

約数和(自身を含む): 118480824

約数和(自身を除く): 35467699

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 221, 325, 425, 601, 625, 1105, 1625, 2125, 3005, 5525, 7813, 8125, 10217, 10625, 15025, 27625, 39065, 51085, 75125, 132821, 138125, 195325, 255425, 375625, 664105, 976625, 1277125, 3320525, 4883125, 6385625, 16602625, 83013125]

約数ペア:

[(1, 83013125), (5, 16602625), (13, 6385625), (17, 4883125), (25, 3320525), (65, 1277125), (85, 976625), (125, 664105), (221, 375625), (325, 255425), (425, 195325), (601, 138125), (625, 132821), (1105, 75125), (1625, 51085), (2125, 39065), (3005, 27625), (5525, 15025), (7813, 10625), (8125, 10217)]