4149080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 10281600

約数和(自身を除く): 6132520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 101, 104, 130, 158, 202, 260, 316, 395, 404, 505, 520, 632, 790, 808, 1010, 1027, 1313, 1580, 2020, 2054, 2626, 3160, 4040, 4108, 5135, 5252, 6565, 7979, 8216, 10270, 10504, 13130, 15958, 20540, 26260, 31916, 39895, 41080, 52520, 63832, 79790, 103727, 159580, 207454, 319160, 414908, 518635, 829816, 1037270, 2074540, 4149080]

約数ペア:

[(1, 4149080), (2, 2074540), (4, 1037270), (5, 829816), (8, 518635), (10, 414908), (13, 319160), (20, 207454), (26, 159580), (40, 103727), (52, 79790), (65, 63832), (79, 52520), (101, 41080), (104, 39895), (130, 31916), (158, 26260), (202, 20540), (260, 15958), (316, 13130), (395, 10504), (404, 10270), (505, 8216), (520, 7979), (632, 6565), (790, 5252), (808, 5135), (1010, 4108), (1027, 4040), (1313, 3160), (1580, 2626), (2020, 2054)]