40990780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{33599}}^1$

素因数の和:33669

約数の個数: 24

約数和(自身を含む): 87494400

約数和(自身を除く): 46503620

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 33599, 67198, 134396, 167995, 335990, 671980, 2049539, 4099078, 8198156, 10247695, 20495390, 40990780]

約数ペア:

[(1, 40990780), (2, 20495390), (4, 10247695), (5, 8198156), (10, 4099078), (20, 2049539), (61, 671980), (122, 335990), (244, 167995), (305, 134396), (610, 67198), (1220, 33599)]