24640540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 53222400

約数和(自身を除く): 28581860

約数列:

[1, 2, 4, 5, 10, 20, 89, 109, 127, 178, 218, 254, 356, 436, 445, 508, 545, 635, 890, 1090, 1270, 1780, 2180, 2540, 9701, 11303, 13843, 19402, 22606, 27686, 38804, 45212, 48505, 55372, 56515, 69215, 97010, 113030, 138430, 194020, 226060, 276860, 1232027, 2464054, 4928108, 6160135, 12320270, 24640540]

約数ペア:

[(1, 24640540), (2, 12320270), (4, 6160135), (5, 4928108), (10, 2464054), (20, 1232027), (89, 276860), (109, 226060), (127, 194020), (178, 138430), (218, 113030), (254, 97010), (356, 69215), (436, 56515), (445, 55372), (508, 48505), (545, 45212), (635, 38804), (890, 27686), (1090, 22606), (1270, 19402), (1780, 13843), (2180, 11303), (2540, 9701)]