20145010240

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2030747}}^1$

素因数の和:2030795

約数の個数: 56

約数和(自身を含む): 49517759232

約数和(自身を除く): 29372748992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 2030747, 4061494, 8122988, 10153735, 16245976, 20307470, 32491952, 40614940, 62953157, 64983904, 81229880, 125906314, 129967808, 162459760, 251812628, 314765785, 324919520, 503625256, 629531570, 649839040, 1007250512, 1259063140, 2014501024, 2518126280, 4029002048, 5036252560, 10072505120, 20145010240]

約数ペア:

[(1, 20145010240), (2, 10072505120), (4, 5036252560), (5, 4029002048), (8, 2518126280), (10, 2014501024), (16, 1259063140), (20, 1007250512), (31, 649839040), (32, 629531570), (40, 503625256), (62, 324919520), (64, 314765785), (80, 251812628), (124, 162459760), (155, 129967808), (160, 125906314), (248, 81229880), (310, 64983904), (320, 62953157), (496, 40614940), (620, 32491952), (992, 20307470), (1240, 16245976), (1984, 10153735), (2480, 8122988), (4960, 4061494), (9920, 2030747)]