82878520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1931}}^1$

素因数の和:2008

約数の個数: 64

約数和(自身を含む): 198223200

約数和(自身を除く): 115344680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 37, 40, 58, 74, 116, 145, 148, 185, 232, 290, 296, 370, 580, 740, 1073, 1160, 1480, 1931, 2146, 3862, 4292, 5365, 7724, 8584, 9655, 10730, 15448, 19310, 21460, 38620, 42920, 55999, 71447, 77240, 111998, 142894, 223996, 279995, 285788, 357235, 447992, 559990, 571576, 714470, 1119980, 1428940, 2071963, 2239960, 2857880, 4143926, 8287852, 10359815, 16575704, 20719630, 41439260, 82878520]

約数ペア:

[(1, 82878520), (2, 41439260), (4, 20719630), (5, 16575704), (8, 10359815), (10, 8287852), (20, 4143926), (29, 2857880), (37, 2239960), (40, 2071963), (58, 1428940), (74, 1119980), (116, 714470), (145, 571576), (148, 559990), (185, 447992), (232, 357235), (290, 285788), (296, 279995), (370, 223996), (580, 142894), (740, 111998), (1073, 77240), (1160, 71447), (1480, 55999), (1931, 42920), (2146, 38620), (3862, 21460), (4292, 19310), (5365, 15448), (7724, 10730), (8584, 9655)]