25156880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{269}}^1$

素因数の和:456

約数の個数: 80

約数和(自身を含む): 67495680

約数和(自身を除く): 42338800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 167, 269, 280, 334, 538, 560, 668, 835, 1076, 1169, 1336, 1345, 1670, 1883, 2152, 2338, 2672, 2690, 3340, 3766, 4304, 4676, 5380, 5845, 6680, 7532, 9352, 9415, 10760, 11690, 13360, 15064, 18704, 18830, 21520, 23380, 30128, 37660, 44923, 46760, 75320, 89846, 93520, 150640, 179692, 224615, 314461, 359384, 449230, 628922, 718768, 898460, 1257844, 1572305, 1796920, 2515688, 3144610, 3593840, 5031376, 6289220, 12578440, 25156880]

約数ペア:

[(1, 25156880), (2, 12578440), (4, 6289220), (5, 5031376), (7, 3593840), (8, 3144610), (10, 2515688), (14, 1796920), (16, 1572305), (20, 1257844), (28, 898460), (35, 718768), (40, 628922), (56, 449230), (70, 359384), (80, 314461), (112, 224615), (140, 179692), (167, 150640), (269, 93520), (280, 89846), (334, 75320), (538, 46760), (560, 44923), (668, 37660), (835, 30128), (1076, 23380), (1169, 21520), (1336, 18830), (1345, 18704), (1670, 15064), (1883, 13360), (2152, 11690), (2338, 10760), (2672, 9415), (2690, 9352), (3340, 7532), (3766, 6680), (4304, 5845), (4676, 5380)]