25796540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2393}}^1$

素因数の和:2427

約数の個数: 72

約数和(自身を含む): 68774832

約数和(自身を除く): 42978292

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2393, 2695, 4786, 5390, 9572, 10780, 11965, 16751, 23930, 26323, 33502, 47860, 52646, 67004, 83755, 105292, 117257, 131615, 167510, 184261, 234514, 263230, 335020, 368522, 469028, 526460, 586285, 737044, 921305, 1172570, 1289827, 1842610, 2345140, 2579654, 3685220, 5159308, 6449135, 12898270, 25796540]

約数ペア:

[(1, 25796540), (2, 12898270), (4, 6449135), (5, 5159308), (7, 3685220), (10, 2579654), (11, 2345140), (14, 1842610), (20, 1289827), (22, 1172570), (28, 921305), (35, 737044), (44, 586285), (49, 526460), (55, 469028), (70, 368522), (77, 335020), (98, 263230), (110, 234514), (140, 184261), (154, 167510), (196, 131615), (220, 117257), (245, 105292), (308, 83755), (385, 67004), (490, 52646), (539, 47860), (770, 33502), (980, 26323), (1078, 23930), (1540, 16751), (2156, 11965), (2393, 10780), (2695, 9572), (4786, 5390)]