80651960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{106121}}^1$

素因数の和:106151

約数の個数: 32

約数和(自身を含む): 191019600

約数和(自身を除く): 110367640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 106121, 212242, 424484, 530605, 848968, 1061210, 2016299, 2122420, 4032598, 4244840, 8065196, 10081495, 16130392, 20162990, 40325980, 80651960]

約数ペア:

[(1, 80651960), (2, 40325980), (4, 20162990), (5, 16130392), (8, 10081495), (10, 8065196), (19, 4244840), (20, 4032598), (38, 2122420), (40, 2016299), (76, 1061210), (95, 848968), (152, 530605), (190, 424484), (380, 212242), (760, 106121)]