25875590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:345

約数の個数: 48

約数和(自身を含む): 51465456

約数和(自身を除く): 25589866

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 169, 251, 305, 338, 502, 610, 793, 845, 1255, 1586, 1690, 2510, 3263, 3965, 6526, 7930, 10309, 15311, 16315, 20618, 30622, 32630, 42419, 51545, 76555, 84838, 103090, 153110, 199043, 212095, 398086, 424190, 995215, 1990430, 2587559, 5175118, 12937795, 25875590]

約数ペア:

[(1, 25875590), (2, 12937795), (5, 5175118), (10, 2587559), (13, 1990430), (26, 995215), (61, 424190), (65, 398086), (122, 212095), (130, 199043), (169, 153110), (251, 103090), (305, 84838), (338, 76555), (502, 51545), (610, 42419), (793, 32630), (845, 30622), (1255, 20618), (1586, 16315), (1690, 15311), (2510, 10309), (3263, 7930), (3965, 6526)]