39121420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:259

約数の個数: 96

約数和(自身を含む): 96018048

約数和(自身を除く): 56896628

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 53, 65, 68, 85, 106, 130, 167, 170, 212, 221, 260, 265, 334, 340, 442, 530, 668, 689, 835, 884, 901, 1060, 1105, 1378, 1670, 1802, 2171, 2210, 2756, 2839, 3340, 3445, 3604, 4342, 4420, 4505, 5678, 6890, 8684, 8851, 9010, 10855, 11356, 11713, 13780, 14195, 17702, 18020, 21710, 23426, 28390, 35404, 36907, 43420, 44255, 46852, 56780, 58565, 73814, 88510, 115063, 117130, 147628, 150467, 177020, 184535, 230126, 234260, 300934, 369070, 460252, 575315, 601868, 738140, 752335, 1150630, 1504670, 1956071, 2301260, 3009340, 3912142, 7824284, 9780355, 19560710, 39121420]

約数ペア:

[(1, 39121420), (2, 19560710), (4, 9780355), (5, 7824284), (10, 3912142), (13, 3009340), (17, 2301260), (20, 1956071), (26, 1504670), (34, 1150630), (52, 752335), (53, 738140), (65, 601868), (68, 575315), (85, 460252), (106, 369070), (130, 300934), (167, 234260), (170, 230126), (212, 184535), (221, 177020), (260, 150467), (265, 147628), (334, 117130), (340, 115063), (442, 88510), (530, 73814), (668, 58565), (689, 56780), (835, 46852), (884, 44255), (901, 43420), (1060, 36907), (1105, 35404), (1378, 28390), (1670, 23426), (1802, 21710), (2171, 18020), (2210, 17702), (2756, 14195), (2839, 13780), (3340, 11713), (3445, 11356), (3604, 10855), (4342, 9010), (4420, 8851), (4505, 8684), (5678, 6890)]