83707240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1187}}^1$

素因数の和:1282

約数の個数: 64

約数和(自身を含む): 197588160

約数和(自身を除く): 113880920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 820, 860, 1187, 1640, 1720, 1763, 2374, 3526, 4748, 5935, 7052, 8815, 9496, 11870, 14104, 17630, 23740, 35260, 47480, 48667, 51041, 70520, 97334, 102082, 194668, 204164, 243335, 255205, 389336, 408328, 486670, 510410, 973340, 1020820, 1946680, 2041640, 2092681, 4185362, 8370724, 10463405, 16741448, 20926810, 41853620, 83707240]

約数ペア:

[(1, 83707240), (2, 41853620), (4, 20926810), (5, 16741448), (8, 10463405), (10, 8370724), (20, 4185362), (40, 2092681), (41, 2041640), (43, 1946680), (82, 1020820), (86, 973340), (164, 510410), (172, 486670), (205, 408328), (215, 389336), (328, 255205), (344, 243335), (410, 204164), (430, 194668), (820, 102082), (860, 97334), (1187, 70520), (1640, 51041), (1720, 48667), (1763, 47480), (2374, 35260), (3526, 23740), (4748, 17630), (5935, 14104), (7052, 11870), (8815, 9496)]