16786120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1699}}^1$

素因数の和:1742

約数の個数: 64

約数和(自身を含む): 42840000

約数和(自身を除く): 26053880

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1699, 1976, 2470, 3398, 4940, 6796, 8495, 9880, 13592, 16990, 22087, 32281, 33980, 44174, 64562, 67960, 88348, 110435, 129124, 161405, 176696, 220870, 258248, 322810, 419653, 441740, 645620, 839306, 883480, 1291240, 1678612, 2098265, 3357224, 4196530, 8393060, 16786120]

約数ペア:

[(1, 16786120), (2, 8393060), (4, 4196530), (5, 3357224), (8, 2098265), (10, 1678612), (13, 1291240), (19, 883480), (20, 839306), (26, 645620), (38, 441740), (40, 419653), (52, 322810), (65, 258248), (76, 220870), (95, 176696), (104, 161405), (130, 129124), (152, 110435), (190, 88348), (247, 67960), (260, 64562), (380, 44174), (494, 33980), (520, 32281), (760, 22087), (988, 16990), (1235, 13592), (1699, 9880), (1976, 8495), (2470, 6796), (3398, 4940)]