38551760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1951}}^1$

素因数の和:1996

約数の個数: 80

約数和(自身を含む): 101660160

約数和(自身を除く): 63108400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1951, 1976, 2470, 3902, 3952, 4940, 7804, 9755, 9880, 15608, 19510, 19760, 25363, 31216, 37069, 39020, 50726, 74138, 78040, 101452, 126815, 148276, 156080, 185345, 202904, 253630, 296552, 370690, 405808, 481897, 507260, 593104, 741380, 963794, 1014520, 1482760, 1927588, 2029040, 2409485, 2965520, 3855176, 4818970, 7710352, 9637940, 19275880, 38551760]

約数ペア:

[(1, 38551760), (2, 19275880), (4, 9637940), (5, 7710352), (8, 4818970), (10, 3855176), (13, 2965520), (16, 2409485), (19, 2029040), (20, 1927588), (26, 1482760), (38, 1014520), (40, 963794), (52, 741380), (65, 593104), (76, 507260), (80, 481897), (95, 405808), (104, 370690), (130, 296552), (152, 253630), (190, 202904), (208, 185345), (247, 156080), (260, 148276), (304, 126815), (380, 101452), (494, 78040), (520, 74138), (760, 50726), (988, 39020), (1040, 37069), (1235, 31216), (1520, 25363), (1951, 19760), (1976, 19510), (2470, 15608), (3902, 9880), (3952, 9755), (4940, 7804)]