53499940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1381}}^1$

素因数の和:1552

約数の個数: 48

約数和(自身を含む): 121892400

約数和(自身を除く): 68392460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 260, 298, 596, 745, 1381, 1490, 1937, 2762, 2980, 3874, 5524, 6905, 7748, 9685, 13810, 17953, 19370, 27620, 35906, 38740, 71812, 89765, 179530, 205769, 359060, 411538, 823076, 1028845, 2057690, 2674997, 4115380, 5349994, 10699988, 13374985, 26749970, 53499940]

約数ペア:

[(1, 53499940), (2, 26749970), (4, 13374985), (5, 10699988), (10, 5349994), (13, 4115380), (20, 2674997), (26, 2057690), (52, 1028845), (65, 823076), (130, 411538), (149, 359060), (260, 205769), (298, 179530), (596, 89765), (745, 71812), (1381, 38740), (1490, 35906), (1937, 27620), (2762, 19370), (2980, 17953), (3874, 13810), (5524, 9685), (6905, 7748)]