20181063175

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{4519}}^1$

素因数の和:4713

約数の個数: 72

約数和(自身を含む): 31180623360

約数和(自身を除く): 10999560185

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 151, 169, 175, 325, 455, 755, 845, 1057, 1183, 1963, 2275, 3775, 4225, 4519, 5285, 5915, 9815, 13741, 22595, 25519, 26425, 29575, 31633, 49075, 58747, 68705, 112975, 127595, 158165, 178633, 293735, 343525, 411229, 637975, 682369, 763711, 790825, 893165, 1468675, 2056145, 3411845, 3818555, 4465825, 4776583, 5345977, 8870797, 10280725, 17059225, 19092775, 23882915, 26729885, 44353985, 62095579, 115320361, 119414575, 133649425, 221769925, 310477895, 576601805, 807242527, 1552389475, 2883009025, 4036212635, 20181063175]

約数ペア:

[(1, 20181063175), (5, 4036212635), (7, 2883009025), (13, 1552389475), (25, 807242527), (35, 576601805), (65, 310477895), (91, 221769925), (151, 133649425), (169, 119414575), (175, 115320361), (325, 62095579), (455, 44353985), (755, 26729885), (845, 23882915), (1057, 19092775), (1183, 17059225), (1963, 10280725), (2275, 8870797), (3775, 5345977), (4225, 4776583), (4519, 4465825), (5285, 3818555), (5915, 3411845), (9815, 2056145), (13741, 1468675), (22595, 893165), (25519, 790825), (26425, 763711), (29575, 682369), (31633, 637975), (49075, 411229), (58747, 343525), (68705, 293735), (112975, 178633), (127595, 158165)]