31814360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1021}}^1$

素因数の和:1092

約数の個数: 64

約数和(自身を含む): 77263200

約数和(自身を除く): 45448840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 1021, 1558, 1640, 2042, 3116, 3895, 4084, 5105, 6232, 7790, 8168, 10210, 15580, 19399, 20420, 31160, 38798, 40840, 41861, 77596, 83722, 96995, 155192, 167444, 193990, 209305, 334888, 387980, 418610, 775960, 795359, 837220, 1590718, 1674440, 3181436, 3976795, 6362872, 7953590, 15907180, 31814360]

約数ペア:

[(1, 31814360), (2, 15907180), (4, 7953590), (5, 6362872), (8, 3976795), (10, 3181436), (19, 1674440), (20, 1590718), (38, 837220), (40, 795359), (41, 775960), (76, 418610), (82, 387980), (95, 334888), (152, 209305), (164, 193990), (190, 167444), (205, 155192), (328, 96995), (380, 83722), (410, 77596), (760, 41861), (779, 40840), (820, 38798), (1021, 31160), (1558, 20420), (1640, 19399), (2042, 15580), (3116, 10210), (3895, 8168), (4084, 7790), (5105, 6232)]