16204840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{241}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 37526940

約数和(自身を除く): 21322100

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 241, 328, 410, 482, 820, 964, 1205, 1640, 1681, 1928, 2410, 3362, 4820, 6724, 8405, 9640, 9881, 13448, 16810, 19762, 33620, 39524, 49405, 67240, 79048, 98810, 197620, 395240, 405121, 810242, 1620484, 2025605, 3240968, 4051210, 8102420, 16204840]

約数ペア:

[(1, 16204840), (2, 8102420), (4, 4051210), (5, 3240968), (8, 2025605), (10, 1620484), (20, 810242), (40, 405121), (41, 395240), (82, 197620), (164, 98810), (205, 79048), (241, 67240), (328, 49405), (410, 39524), (482, 33620), (820, 19762), (964, 16810), (1205, 13448), (1640, 9881), (1681, 9640), (1928, 8405), (2410, 6724), (3362, 4820)]