25861420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5851}}^1$

素因数の和:5890

約数の個数: 48

約数和(自身を含む): 61937568

約数和(自身を除く): 36076148

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 5851, 11702, 23404, 29255, 58510, 76063, 99467, 117020, 152126, 198934, 304252, 380315, 397868, 497335, 760630, 994670, 1293071, 1521260, 1989340, 2586142, 5172284, 6465355, 12930710, 25861420]

約数ペア:

[(1, 25861420), (2, 12930710), (4, 6465355), (5, 5172284), (10, 2586142), (13, 1989340), (17, 1521260), (20, 1293071), (26, 994670), (34, 760630), (52, 497335), (65, 397868), (68, 380315), (85, 304252), (130, 198934), (170, 152126), (221, 117020), (260, 99467), (340, 76063), (442, 58510), (884, 29255), (1105, 23404), (2210, 11702), (4420, 5851)]