13452140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1669}}^1$

素因数の和:1722

約数の個数: 48

約数和(自身を含む): 31422720

約数和(自身を除く): 17970580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 1669, 2015, 3338, 4030, 6676, 8060, 8345, 16690, 21697, 33380, 43394, 51739, 86788, 103478, 108485, 206956, 216970, 258695, 433940, 517390, 672607, 1034780, 1345214, 2690428, 3363035, 6726070, 13452140]

約数ペア:

[(1, 13452140), (2, 6726070), (4, 3363035), (5, 2690428), (10, 1345214), (13, 1034780), (20, 672607), (26, 517390), (31, 433940), (52, 258695), (62, 216970), (65, 206956), (124, 108485), (130, 103478), (155, 86788), (260, 51739), (310, 43394), (403, 33380), (620, 21697), (806, 16690), (1612, 8345), (1669, 8060), (2015, 6676), (3338, 4030)]