5291390

素因数分解:

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

素因数の和:165

約数の個数: 48

約数和(自身を含む): 10751616

約数和(自身を除く): 5460226

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 101, 130, 155, 169, 202, 310, 338, 403, 505, 806, 845, 1010, 1313, 1690, 2015, 2626, 3131, 4030, 5239, 6262, 6565, 10478, 13130, 15655, 17069, 26195, 31310, 34138, 40703, 52390, 81406, 85345, 170690, 203515, 407030, 529139, 1058278, 2645695, 5291390]

約数ペア:

[(1, 5291390), (2, 2645695), (5, 1058278), (10, 529139), (13, 407030), (26, 203515), (31, 170690), (62, 85345), (65, 81406), (101, 52390), (130, 40703), (155, 34138), (169, 31310), (202, 26195), (310, 17069), (338, 15655), (403, 13130), (505, 10478), (806, 6565), (845, 6262), (1010, 5239), (1313, 4030), (1690, 3131), (2015, 2626)]