39910520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 128

約数和(自身を含む): 104509440

約数和(自身を除く): 64598920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 47, 52, 65, 71, 92, 94, 104, 115, 130, 142, 184, 188, 230, 235, 260, 284, 299, 355, 376, 460, 470, 520, 568, 598, 611, 710, 920, 923, 940, 1081, 1196, 1222, 1420, 1495, 1633, 1846, 1880, 2162, 2392, 2444, 2840, 2990, 3055, 3266, 3337, 3692, 4324, 4615, 4888, 5405, 5980, 6110, 6532, 6674, 7384, 8165, 8648, 9230, 10810, 11960, 12220, 13064, 13348, 14053, 16330, 16685, 18460, 21229, 21620, 24440, 26696, 28106, 32660, 33370, 36920, 42458, 43240, 43381, 56212, 65320, 66740, 70265, 76751, 84916, 86762, 106145, 112424, 133480, 140530, 153502, 169832, 173524, 212290, 216905, 281060, 307004, 347048, 383755, 424580, 433810, 562120, 614008, 767510, 849160, 867620, 997763, 1535020, 1735240, 1995526, 3070040, 3991052, 4988815, 7982104, 9977630, 19955260, 39910520]

約数ペア:

[(1, 39910520), (2, 19955260), (4, 9977630), (5, 7982104), (8, 4988815), (10, 3991052), (13, 3070040), (20, 1995526), (23, 1735240), (26, 1535020), (40, 997763), (46, 867620), (47, 849160), (52, 767510), (65, 614008), (71, 562120), (92, 433810), (94, 424580), (104, 383755), (115, 347048), (130, 307004), (142, 281060), (184, 216905), (188, 212290), (230, 173524), (235, 169832), (260, 153502), (284, 140530), (299, 133480), (355, 112424), (376, 106145), (460, 86762), (470, 84916), (520, 76751), (568, 70265), (598, 66740), (611, 65320), (710, 56212), (920, 43381), (923, 43240), (940, 42458), (1081, 36920), (1196, 33370), (1222, 32660), (1420, 28106), (1495, 26696), (1633, 24440), (1846, 21620), (1880, 21229), (2162, 18460), (2392, 16685), (2444, 16330), (2840, 14053), (2990, 13348), (3055, 13064), (3266, 12220), (3337, 11960), (3692, 10810), (4324, 9230), (4615, 8648), (4888, 8165), (5405, 7384), (5980, 6674), (6110, 6532)]