31052080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:722

約数の個数: 80

約数和(自身を含む): 78566400

約数和(自身を除く): 47514320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 659, 760, 1178, 1240, 1318, 1520, 2356, 2480, 2636, 2945, 3295, 4712, 5272, 5890, 6590, 9424, 10544, 11780, 12521, 13180, 20429, 23560, 25042, 26360, 40858, 47120, 50084, 52720, 62605, 81716, 100168, 102145, 125210, 163432, 200336, 204290, 250420, 326864, 388151, 408580, 500840, 776302, 817160, 1001680, 1552604, 1634320, 1940755, 3105208, 3881510, 6210416, 7763020, 15526040, 31052080]

約数ペア:

[(1, 31052080), (2, 15526040), (4, 7763020), (5, 6210416), (8, 3881510), (10, 3105208), (16, 1940755), (19, 1634320), (20, 1552604), (31, 1001680), (38, 817160), (40, 776302), (62, 500840), (76, 408580), (80, 388151), (95, 326864), (124, 250420), (152, 204290), (155, 200336), (190, 163432), (248, 125210), (304, 102145), (310, 100168), (380, 81716), (496, 62605), (589, 52720), (620, 50084), (659, 47120), (760, 40858), (1178, 26360), (1240, 25042), (1318, 23560), (1520, 20429), (2356, 13180), (2480, 12521), (2636, 11780), (2945, 10544), (3295, 9424), (4712, 6590), (5272, 5890)]