208179920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4259}}^1$

素因数の和:4332

約数の個数: 80

約数和(自身を含む): 532465920

約数和(自身を除く): 324286000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 94, 104, 130, 188, 208, 235, 260, 376, 470, 520, 611, 752, 940, 1040, 1222, 1880, 2444, 3055, 3760, 4259, 4888, 6110, 8518, 9776, 12220, 17036, 21295, 24440, 34072, 42590, 48880, 55367, 68144, 85180, 110734, 170360, 200173, 221468, 276835, 340720, 400346, 442936, 553670, 800692, 885872, 1000865, 1107340, 1601384, 2001730, 2214680, 2602249, 3202768, 4003460, 4429360, 5204498, 8006920, 10408996, 13011245, 16013840, 20817992, 26022490, 41635984, 52044980, 104089960, 208179920]

約数ペア:

[(1, 208179920), (2, 104089960), (4, 52044980), (5, 41635984), (8, 26022490), (10, 20817992), (13, 16013840), (16, 13011245), (20, 10408996), (26, 8006920), (40, 5204498), (47, 4429360), (52, 4003460), (65, 3202768), (80, 2602249), (94, 2214680), (104, 2001730), (130, 1601384), (188, 1107340), (208, 1000865), (235, 885872), (260, 800692), (376, 553670), (470, 442936), (520, 400346), (611, 340720), (752, 276835), (940, 221468), (1040, 200173), (1222, 170360), (1880, 110734), (2444, 85180), (3055, 68144), (3760, 55367), (4259, 48880), (4888, 42590), (6110, 34072), (8518, 24440), (9776, 21295), (12220, 17036)]