814060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 1919232

約数和(自身を除く): 1105172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 101, 124, 130, 155, 202, 260, 310, 403, 404, 505, 620, 806, 1010, 1313, 1612, 2015, 2020, 2626, 3131, 4030, 5252, 6262, 6565, 8060, 12524, 13130, 15655, 26260, 31310, 40703, 62620, 81406, 162812, 203515, 407030, 814060]

約数ペア:

[(1, 814060), (2, 407030), (4, 203515), (5, 162812), (10, 81406), (13, 62620), (20, 40703), (26, 31310), (31, 26260), (52, 15655), (62, 13130), (65, 12524), (101, 8060), (124, 6565), (130, 6262), (155, 5252), (202, 4030), (260, 3131), (310, 2626), (403, 2020), (404, 2015), (505, 1612), (620, 1313), (806, 1010)]