72076820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{701}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 156029328

約数和(自身を除く): 83952508

約数列:

[1, 2, 4, 5, 10, 20, 53, 97, 106, 194, 212, 265, 388, 485, 530, 701, 970, 1060, 1402, 1940, 2804, 3505, 5141, 7010, 10282, 14020, 20564, 25705, 37153, 51410, 67997, 74306, 102820, 135994, 148612, 185765, 271988, 339985, 371530, 679970, 743060, 1359940, 3603841, 7207682, 14415364, 18019205, 36038410, 72076820]

約数ペア:

[(1, 72076820), (2, 36038410), (4, 18019205), (5, 14415364), (10, 7207682), (20, 3603841), (53, 1359940), (97, 743060), (106, 679970), (194, 371530), (212, 339985), (265, 271988), (388, 185765), (485, 148612), (530, 135994), (701, 102820), (970, 74306), (1060, 67997), (1402, 51410), (1940, 37153), (2804, 25705), (3505, 20564), (5141, 14020), (7010, 10282)]