31406240

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10331}}^1$

素因数の和:10365

約数の個数: 48

約数和(自身を含む): 78109920

約数和(自身を除く): 46703680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 10331, 20662, 41324, 51655, 82648, 103310, 165296, 196289, 206620, 330592, 392578, 413240, 785156, 826480, 981445, 1570312, 1652960, 1962890, 3140624, 3925780, 6281248, 7851560, 15703120, 31406240]

約数ペア:

[(1, 31406240), (2, 15703120), (4, 7851560), (5, 6281248), (8, 3925780), (10, 3140624), (16, 1962890), (19, 1652960), (20, 1570312), (32, 981445), (38, 826480), (40, 785156), (76, 413240), (80, 392578), (95, 330592), (152, 206620), (160, 196289), (190, 165296), (304, 103310), (380, 82648), (608, 51655), (760, 41324), (1520, 20662), (3040, 10331)]