45591640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 108864000

約数和(自身を除く): 63272360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 239, 251, 380, 478, 502, 760, 956, 1004, 1195, 1255, 1912, 2008, 2390, 2510, 4541, 4769, 4780, 5020, 9082, 9538, 9560, 10040, 18164, 19076, 22705, 23845, 36328, 38152, 45410, 47690, 59989, 90820, 95380, 119978, 181640, 190760, 239956, 299945, 479912, 599890, 1139791, 1199780, 2279582, 2399560, 4559164, 5698955, 9118328, 11397910, 22795820, 45591640]

約数ペア:

[(1, 45591640), (2, 22795820), (4, 11397910), (5, 9118328), (8, 5698955), (10, 4559164), (19, 2399560), (20, 2279582), (38, 1199780), (40, 1139791), (76, 599890), (95, 479912), (152, 299945), (190, 239956), (239, 190760), (251, 181640), (380, 119978), (478, 95380), (502, 90820), (760, 59989), (956, 47690), (1004, 45410), (1195, 38152), (1255, 36328), (1912, 23845), (2008, 22705), (2390, 19076), (2510, 18164), (4541, 10040), (4769, 9560), (4780, 9538), (5020, 9082)]