205125964420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25601}}^1\times {\mathrm{30817}}^1$

素因数の和:56440

約数の個数: 48

約数和(自身を含む): 463933432368

約数和(自身を除く): 258807467948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 25601, 30817, 51202, 61634, 102404, 123268, 128005, 154085, 256010, 308170, 332813, 400621, 512020, 616340, 665626, 801242, 1331252, 1602484, 1664065, 2003105, 3328130, 4006210, 6656260, 8012420, 788946017, 1577892034, 3155784068, 3944730085, 7889460170, 10256298221, 15778920340, 20512596442, 41025192884, 51281491105, 102562982210, 205125964420]

約数ペア:

[(1, 205125964420), (2, 102562982210), (4, 51281491105), (5, 41025192884), (10, 20512596442), (13, 15778920340), (20, 10256298221), (26, 7889460170), (52, 3944730085), (65, 3155784068), (130, 1577892034), (260, 788946017), (25601, 8012420), (30817, 6656260), (51202, 4006210), (61634, 3328130), (102404, 2003105), (123268, 1664065), (128005, 1602484), (154085, 1331252), (256010, 801242), (308170, 665626), (332813, 616340), (400621, 512020)]