861623360

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{207121}}^1$

素因数の和:207151

約数の個数: 56

約数和(自身を含む): 2209577496

約数和(自身を除く): 1347954136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 207121, 414242, 828484, 1035605, 1656968, 2071210, 2692573, 3313936, 4142420, 5385146, 6627872, 8284840, 10770292, 13255744, 13462865, 16569680, 21540584, 26925730, 33139360, 43081168, 53851460, 66278720, 86162336, 107702920, 172324672, 215405840, 430811680, 861623360]

約数ペア:

[(1, 861623360), (2, 430811680), (4, 215405840), (5, 172324672), (8, 107702920), (10, 86162336), (13, 66278720), (16, 53851460), (20, 43081168), (26, 33139360), (32, 26925730), (40, 21540584), (52, 16569680), (64, 13462865), (65, 13255744), (80, 10770292), (104, 8284840), (130, 6627872), (160, 5385146), (208, 4142420), (260, 3313936), (320, 2692573), (416, 2071210), (520, 1656968), (832, 1035605), (1040, 828484), (2080, 414242), (4160, 207121)]