63905920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7681}}^1$

素因数の和:7713

約数の個数: 64

約数和(自身を含む): 164548440

約数和(自身を除く): 100642520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 7681, 8320, 15362, 30724, 38405, 61448, 76810, 99853, 122896, 153620, 199706, 245792, 307240, 399412, 491584, 499265, 614480, 798824, 983168, 998530, 1228960, 1597648, 1997060, 2457920, 3195296, 3994120, 4915840, 6390592, 7988240, 12781184, 15976480, 31952960, 63905920]

約数ペア:

[(1, 63905920), (2, 31952960), (4, 15976480), (5, 12781184), (8, 7988240), (10, 6390592), (13, 4915840), (16, 3994120), (20, 3195296), (26, 2457920), (32, 1997060), (40, 1597648), (52, 1228960), (64, 998530), (65, 983168), (80, 798824), (104, 614480), (128, 499265), (130, 491584), (160, 399412), (208, 307240), (260, 245792), (320, 199706), (416, 153620), (520, 122896), (640, 99853), (832, 76810), (1040, 61448), (1664, 38405), (2080, 30724), (4160, 15362), (7681, 8320)]