66529880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{359}}^1$

素因数の和:524

約数の個数: 64

約数和(自身を含む): 155131200

約数和(自身を除く): 88601320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 113, 164, 205, 226, 328, 359, 410, 452, 565, 718, 820, 904, 1130, 1436, 1640, 1795, 2260, 2872, 3590, 4520, 4633, 7180, 9266, 14360, 14719, 18532, 23165, 29438, 37064, 40567, 46330, 58876, 73595, 81134, 92660, 117752, 147190, 162268, 185320, 202835, 294380, 324536, 405670, 588760, 811340, 1622680, 1663247, 3326494, 6652988, 8316235, 13305976, 16632470, 33264940, 66529880]

約数ペア:

[(1, 66529880), (2, 33264940), (4, 16632470), (5, 13305976), (8, 8316235), (10, 6652988), (20, 3326494), (40, 1663247), (41, 1622680), (82, 811340), (113, 588760), (164, 405670), (205, 324536), (226, 294380), (328, 202835), (359, 185320), (410, 162268), (452, 147190), (565, 117752), (718, 92660), (820, 81134), (904, 73595), (1130, 58876), (1436, 46330), (1640, 40567), (1795, 37064), (2260, 29438), (2872, 23165), (3590, 18532), (4520, 14719), (4633, 14360), (7180, 9266)]