80500340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{607}}^1$

素因数の和:984

約数の個数: 48

約数和(自身を含む): 178752000

約数和(自身を除く): 98251660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 349, 380, 607, 698, 1214, 1396, 1745, 2428, 3035, 3490, 6070, 6631, 6980, 11533, 12140, 13262, 23066, 26524, 33155, 46132, 57665, 66310, 115330, 132620, 211843, 230660, 423686, 847372, 1059215, 2118430, 4025017, 4236860, 8050034, 16100068, 20125085, 40250170, 80500340]

約数ペア:

[(1, 80500340), (2, 40250170), (4, 20125085), (5, 16100068), (10, 8050034), (19, 4236860), (20, 4025017), (38, 2118430), (76, 1059215), (95, 847372), (190, 423686), (349, 230660), (380, 211843), (607, 132620), (698, 115330), (1214, 66310), (1396, 57665), (1745, 46132), (2428, 33155), (3035, 26524), (3490, 23066), (6070, 13262), (6631, 12140), (6980, 11533)]