51912220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2503}}^1$

素因数の和:2590

約数の個数: 48

約数和(自身を含む): 117367488

約数和(自身を除く): 65455268

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 1037, 1220, 2074, 2503, 4148, 5006, 5185, 10012, 10370, 12515, 20740, 25030, 42551, 50060, 85102, 152683, 170204, 212755, 305366, 425510, 610732, 763415, 851020, 1526830, 2595611, 3053660, 5191222, 10382444, 12978055, 25956110, 51912220]

約数ペア:

[(1, 51912220), (2, 25956110), (4, 12978055), (5, 10382444), (10, 5191222), (17, 3053660), (20, 2595611), (34, 1526830), (61, 851020), (68, 763415), (85, 610732), (122, 425510), (170, 305366), (244, 212755), (305, 170204), (340, 152683), (610, 85102), (1037, 50060), (1220, 42551), (2074, 25030), (2503, 20740), (4148, 12515), (5006, 10370), (5185, 10012)]