12252440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 29272320

約数和(自身を除く): 17019880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 241, 248, 310, 328, 410, 482, 620, 820, 964, 1205, 1240, 1271, 1640, 1928, 2410, 2542, 4820, 5084, 6355, 7471, 9640, 9881, 10168, 12710, 14942, 19762, 25420, 29884, 37355, 39524, 49405, 50840, 59768, 74710, 79048, 98810, 149420, 197620, 298840, 306311, 395240, 612622, 1225244, 1531555, 2450488, 3063110, 6126220, 12252440]

約数ペア:

[(1, 12252440), (2, 6126220), (4, 3063110), (5, 2450488), (8, 1531555), (10, 1225244), (20, 612622), (31, 395240), (40, 306311), (41, 298840), (62, 197620), (82, 149420), (124, 98810), (155, 79048), (164, 74710), (205, 59768), (241, 50840), (248, 49405), (310, 39524), (328, 37355), (410, 29884), (482, 25420), (620, 19762), (820, 14942), (964, 12710), (1205, 10168), (1240, 9881), (1271, 9640), (1640, 7471), (1928, 6355), (2410, 5084), (2542, 4820)]