33451420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 72803808

約数和(自身を除く): 39352388

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 97, 172, 194, 215, 388, 401, 430, 485, 802, 860, 970, 1604, 1940, 2005, 4010, 4171, 8020, 8342, 16684, 17243, 20855, 34486, 38897, 41710, 68972, 77794, 83420, 86215, 155588, 172430, 194485, 344860, 388970, 777940, 1672571, 3345142, 6690284, 8362855, 16725710, 33451420]

約数ペア:

[(1, 33451420), (2, 16725710), (4, 8362855), (5, 6690284), (10, 3345142), (20, 1672571), (43, 777940), (86, 388970), (97, 344860), (172, 194485), (194, 172430), (215, 155588), (388, 86215), (401, 83420), (430, 77794), (485, 68972), (802, 41710), (860, 38897), (970, 34486), (1604, 20855), (1940, 17243), (2005, 16684), (4010, 8342), (4171, 8020)]