25932040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 61896960

約数和(自身を除く): 35964920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 71, 92, 115, 142, 184, 230, 284, 355, 397, 460, 568, 710, 794, 920, 1420, 1588, 1633, 1985, 2840, 3176, 3266, 3970, 6532, 7940, 8165, 9131, 13064, 15880, 16330, 18262, 28187, 32660, 36524, 45655, 56374, 65320, 73048, 91310, 112748, 140935, 182620, 225496, 281870, 365240, 563740, 648301, 1127480, 1296602, 2593204, 3241505, 5186408, 6483010, 12966020, 25932040]

約数ペア:

[(1, 25932040), (2, 12966020), (4, 6483010), (5, 5186408), (8, 3241505), (10, 2593204), (20, 1296602), (23, 1127480), (40, 648301), (46, 563740), (71, 365240), (92, 281870), (115, 225496), (142, 182620), (184, 140935), (230, 112748), (284, 91310), (355, 73048), (397, 65320), (460, 56374), (568, 45655), (710, 36524), (794, 32660), (920, 28187), (1420, 18262), (1588, 16330), (1633, 15880), (1985, 13064), (2840, 9131), (3176, 8165), (3266, 7940), (3970, 6532)]