83612440

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 194400000

約数和(自身を除く): 110787560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 71, 118, 142, 236, 284, 295, 355, 472, 499, 568, 590, 710, 998, 1180, 1420, 1996, 2360, 2495, 2840, 3992, 4189, 4990, 8378, 9980, 16756, 19960, 20945, 29441, 33512, 35429, 41890, 58882, 70858, 83780, 117764, 141716, 147205, 167560, 177145, 235528, 283432, 294410, 354290, 588820, 708580, 1177640, 1417160, 2090311, 4180622, 8361244, 10451555, 16722488, 20903110, 41806220, 83612440]

約数ペア:

[(1, 83612440), (2, 41806220), (4, 20903110), (5, 16722488), (8, 10451555), (10, 8361244), (20, 4180622), (40, 2090311), (59, 1417160), (71, 1177640), (118, 708580), (142, 588820), (236, 354290), (284, 294410), (295, 283432), (355, 235528), (472, 177145), (499, 167560), (568, 147205), (590, 141716), (710, 117764), (998, 83780), (1180, 70858), (1420, 58882), (1996, 41890), (2360, 35429), (2495, 33512), (2840, 29441), (3992, 20945), (4189, 19960), (4990, 16756), (8378, 9980)]