84451960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{111121}}^1$

素因数の和:111151

約数の個数: 32

約数和(自身を含む): 200019600

約数和(自身を除く): 115567640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 111121, 222242, 444484, 555605, 888968, 1111210, 2111299, 2222420, 4222598, 4444840, 8445196, 10556495, 16890392, 21112990, 42225980, 84451960]

約数ペア:

[(1, 84451960), (2, 42225980), (4, 21112990), (5, 16890392), (8, 10556495), (10, 8445196), (19, 4444840), (20, 4222598), (38, 2222420), (40, 2111299), (76, 1111210), (95, 888968), (152, 555605), (190, 444484), (380, 222242), (760, 111121)]