80839820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{3767}}^1$

素因数の和:3842

約数の個数: 48

約数和(自身を含む): 180411840

約数和(自身を除く): 99572020

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 370, 580, 740, 1073, 2146, 3767, 4292, 5365, 7534, 10730, 15068, 18835, 21460, 37670, 75340, 109243, 139379, 218486, 278758, 436972, 546215, 557516, 696895, 1092430, 1393790, 2184860, 2787580, 4041991, 8083982, 16167964, 20209955, 40419910, 80839820]

約数ペア:

[(1, 80839820), (2, 40419910), (4, 20209955), (5, 16167964), (10, 8083982), (20, 4041991), (29, 2787580), (37, 2184860), (58, 1393790), (74, 1092430), (116, 696895), (145, 557516), (148, 546215), (185, 436972), (290, 278758), (370, 218486), (580, 139379), (740, 109243), (1073, 75340), (2146, 37670), (3767, 21460), (4292, 18835), (5365, 15068), (7534, 10730)]