142755680

素因数分解:

$2^5\times 5^1\times {\mathrm{223}}^1\times {\mathrm{4001}}^1$

素因数の和:4239

約数の個数: 48

約数和(自身を含む): 338857344

約数和(自身を除く): 196101664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 223, 446, 892, 1115, 1784, 2230, 3568, 4001, 4460, 7136, 8002, 8920, 16004, 17840, 20005, 32008, 35680, 40010, 64016, 80020, 128032, 160040, 320080, 640160, 892223, 1784446, 3568892, 4461115, 7137784, 8922230, 14275568, 17844460, 28551136, 35688920, 71377840, 142755680]

約数ペア:

[(1, 142755680), (2, 71377840), (4, 35688920), (5, 28551136), (8, 17844460), (10, 14275568), (16, 8922230), (20, 7137784), (32, 4461115), (40, 3568892), (80, 1784446), (160, 892223), (223, 640160), (446, 320080), (892, 160040), (1115, 128032), (1784, 80020), (2230, 64016), (3568, 40010), (4001, 35680), (4460, 32008), (7136, 20005), (8002, 17840), (8920, 16004)]