4151120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2731}}^1$

素因数の和:2763

約数の個数: 40

約数和(自身を含む): 10163040

約数和(自身を除く): 6011920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 2731, 5462, 10924, 13655, 21848, 27310, 43696, 51889, 54620, 103778, 109240, 207556, 218480, 259445, 415112, 518890, 830224, 1037780, 2075560, 4151120]

約数ペア:

[(1, 4151120), (2, 2075560), (4, 1037780), (5, 830224), (8, 518890), (10, 415112), (16, 259445), (19, 218480), (20, 207556), (38, 109240), (40, 103778), (76, 54620), (80, 51889), (95, 43696), (152, 27310), (190, 21848), (304, 13655), (380, 10924), (760, 5462), (1520, 2731)]