12557290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:151

約数の個数: 64

約数和(自身を含む): 25660800

約数和(自身を除く): 13103510

約数列:

[1, 2, 5, 10, 19, 29, 38, 43, 53, 58, 86, 95, 106, 145, 190, 215, 265, 290, 430, 530, 551, 817, 1007, 1102, 1247, 1537, 1634, 2014, 2279, 2494, 2755, 3074, 4085, 4558, 5035, 5510, 6235, 7685, 8170, 10070, 11395, 12470, 15370, 22790, 23693, 29203, 43301, 47386, 58406, 66091, 86602, 118465, 132182, 146015, 216505, 236930, 292030, 330455, 433010, 660910, 1255729, 2511458, 6278645, 12557290]

約数ペア:

[(1, 12557290), (2, 6278645), (5, 2511458), (10, 1255729), (19, 660910), (29, 433010), (38, 330455), (43, 292030), (53, 236930), (58, 216505), (86, 146015), (95, 132182), (106, 118465), (145, 86602), (190, 66091), (215, 58406), (265, 47386), (290, 43301), (430, 29203), (530, 23693), (551, 22790), (817, 15370), (1007, 12470), (1102, 11395), (1247, 10070), (1537, 8170), (1634, 7685), (2014, 6235), (2279, 5510), (2494, 5035), (2755, 4558), (3074, 4085)]