42556720

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2939}}^1$

素因数の和:3133

約数の個数: 40

約数和(自身を含む): 99524880

約数和(自身を除く): 56968160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 2939, 3620, 5878, 7240, 11756, 14480, 14695, 23512, 29390, 47024, 58780, 117560, 235120, 531959, 1063918, 2127836, 2659795, 4255672, 5319590, 8511344, 10639180, 21278360, 42556720]

約数ペア:

[(1, 42556720), (2, 21278360), (4, 10639180), (5, 8511344), (8, 5319590), (10, 4255672), (16, 2659795), (20, 2127836), (40, 1063918), (80, 531959), (181, 235120), (362, 117560), (724, 58780), (905, 47024), (1448, 29390), (1810, 23512), (2896, 14695), (2939, 14480), (3620, 11756), (5878, 7240)]