40153880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2087}}^1$

素因数の和:2148

約数の個数: 64

約数和(自身を含む): 99973440

約数和(自身を除く): 59819560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2087, 2405, 3848, 4174, 4810, 8348, 9620, 10435, 16696, 19240, 20870, 27131, 41740, 54262, 77219, 83480, 108524, 135655, 154438, 217048, 271310, 308876, 386095, 542620, 617752, 772190, 1003847, 1085240, 1544380, 2007694, 3088760, 4015388, 5019235, 8030776, 10038470, 20076940, 40153880]

約数ペア:

[(1, 40153880), (2, 20076940), (4, 10038470), (5, 8030776), (8, 5019235), (10, 4015388), (13, 3088760), (20, 2007694), (26, 1544380), (37, 1085240), (40, 1003847), (52, 772190), (65, 617752), (74, 542620), (104, 386095), (130, 308876), (148, 271310), (185, 217048), (260, 154438), (296, 135655), (370, 108524), (481, 83480), (520, 77219), (740, 54262), (962, 41740), (1480, 27131), (1924, 20870), (2087, 19240), (2405, 16696), (3848, 10435), (4174, 9620), (4810, 8348)]