156628420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{20773}}^1$

素因数の和:20824

約数の個数: 48

約数和(自身を含む): 366453360

約数和(自身を除く): 209824940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 20773, 41546, 83092, 103865, 207730, 270049, 415460, 540098, 602417, 1080196, 1204834, 1350245, 2409668, 2700490, 3012085, 5400980, 6024170, 7831421, 12048340, 15662842, 31325684, 39157105, 78314210, 156628420]

約数ペア:

[(1, 156628420), (2, 78314210), (4, 39157105), (5, 31325684), (10, 15662842), (13, 12048340), (20, 7831421), (26, 6024170), (29, 5400980), (52, 3012085), (58, 2700490), (65, 2409668), (116, 1350245), (130, 1204834), (145, 1080196), (260, 602417), (290, 540098), (377, 415460), (580, 270049), (754, 207730), (1508, 103865), (1885, 83092), (3770, 41546), (7540, 20773)]