2139795920

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1\times {\mathrm{1069}}^1$

素因数の和:1404

約数の個数: 80

約数和(自身を含む): 5043962880

約数和(自身を除く): 2904166960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 191, 262, 382, 524, 655, 764, 955, 1048, 1069, 1310, 1528, 1910, 2096, 2138, 2620, 3056, 3820, 4276, 5240, 5345, 7640, 8552, 10480, 10690, 15280, 17104, 21380, 25021, 42760, 50042, 85520, 100084, 125105, 140039, 200168, 204179, 250210, 280078, 400336, 408358, 500420, 560156, 700195, 816716, 1000840, 1020895, 1120312, 1400390, 1633432, 2001680, 2041790, 2240624, 2800780, 3266864, 4083580, 5601560, 8167160, 11203120, 16334320, 26747449, 53494898, 106989796, 133737245, 213979592, 267474490, 427959184, 534948980, 1069897960, 2139795920]

約数ペア:

[(1, 2139795920), (2, 1069897960), (4, 534948980), (5, 427959184), (8, 267474490), (10, 213979592), (16, 133737245), (20, 106989796), (40, 53494898), (80, 26747449), (131, 16334320), (191, 11203120), (262, 8167160), (382, 5601560), (524, 4083580), (655, 3266864), (764, 2800780), (955, 2240624), (1048, 2041790), (1069, 2001680), (1310, 1633432), (1528, 1400390), (1910, 1120312), (2096, 1020895), (2138, 1000840), (2620, 816716), (3056, 700195), (3820, 560156), (4276, 500420), (5240, 408358), (5345, 400336), (7640, 280078), (8552, 250210), (10480, 204179), (10690, 200168), (15280, 140039), (17104, 125105), (21380, 100084), (25021, 85520), (42760, 50042)]