25389420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{991}}^1$

素因数の和:1071

約数の個数: 96

約数和(自身を含む): 82661376

約数和(自身を除く): 57271956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 140, 183, 210, 244, 305, 366, 420, 427, 610, 732, 854, 915, 991, 1220, 1281, 1708, 1830, 1982, 2135, 2562, 2973, 3660, 3964, 4270, 4955, 5124, 5946, 6405, 6937, 8540, 9910, 11892, 12810, 13874, 14865, 19820, 20811, 25620, 27748, 29730, 34685, 41622, 59460, 60451, 69370, 83244, 104055, 120902, 138740, 181353, 208110, 241804, 302255, 362706, 416220, 423157, 604510, 725412, 846314, 906765, 1209020, 1269471, 1692628, 1813530, 2115785, 2538942, 3627060, 4231570, 5077884, 6347355, 8463140, 12694710, 25389420]

約数ペア:

[(1, 25389420), (2, 12694710), (3, 8463140), (4, 6347355), (5, 5077884), (6, 4231570), (7, 3627060), (10, 2538942), (12, 2115785), (14, 1813530), (15, 1692628), (20, 1269471), (21, 1209020), (28, 906765), (30, 846314), (35, 725412), (42, 604510), (60, 423157), (61, 416220), (70, 362706), (84, 302255), (105, 241804), (122, 208110), (140, 181353), (183, 138740), (210, 120902), (244, 104055), (305, 83244), (366, 69370), (420, 60451), (427, 59460), (610, 41622), (732, 34685), (854, 29730), (915, 27748), (991, 25620), (1220, 20811), (1281, 19820), (1708, 14865), (1830, 13874), (1982, 12810), (2135, 11892), (2562, 9910), (2973, 8540), (3660, 6937), (3964, 6405), (4270, 5946), (4955, 5124)]