25139609840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1063}}^1\times {\mathrm{15559}}^1$

素因数の和:16654

約数の個数: 80

約数和(自身を含む): 61587724800

約数和(自身を除く): 36448114960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1063, 1520, 2126, 4252, 5315, 8504, 10630, 15559, 17008, 20197, 21260, 31118, 40394, 42520, 62236, 77795, 80788, 85040, 100985, 124472, 155590, 161576, 201970, 248944, 295621, 311180, 323152, 403940, 591242, 622360, 807880, 1182484, 1244720, 1478105, 1615760, 2364968, 2956210, 4729936, 5912420, 11824840, 16539217, 23649680, 33078434, 66156868, 82696085, 132313736, 165392170, 264627472, 314245123, 330784340, 628490246, 661568680, 1256980492, 1323137360, 1571225615, 2513960984, 3142451230, 5027921968, 6284902460, 12569804920, 25139609840]

約数ペア:

[(1, 25139609840), (2, 12569804920), (4, 6284902460), (5, 5027921968), (8, 3142451230), (10, 2513960984), (16, 1571225615), (19, 1323137360), (20, 1256980492), (38, 661568680), (40, 628490246), (76, 330784340), (80, 314245123), (95, 264627472), (152, 165392170), (190, 132313736), (304, 82696085), (380, 66156868), (760, 33078434), (1063, 23649680), (1520, 16539217), (2126, 11824840), (4252, 5912420), (5315, 4729936), (8504, 2956210), (10630, 2364968), (15559, 1615760), (17008, 1478105), (20197, 1244720), (21260, 1182484), (31118, 807880), (40394, 622360), (42520, 591242), (62236, 403940), (77795, 323152), (80788, 311180), (85040, 295621), (100985, 248944), (124472, 201970), (155590, 161576)]