2004450080

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{404123}}^1$

素因数の和:404169

約数の個数: 48

約数和(自身を含む): 4888283904

約数和(自身を除く): 2883833824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 404123, 808246, 1616492, 2020615, 3232984, 4041230, 6465968, 8082460, 12527813, 12931936, 16164920, 25055626, 32329840, 50111252, 62639065, 64659680, 100222504, 125278130, 200445008, 250556260, 400890016, 501112520, 1002225040, 2004450080]

約数ペア:

[(1, 2004450080), (2, 1002225040), (4, 501112520), (5, 400890016), (8, 250556260), (10, 200445008), (16, 125278130), (20, 100222504), (31, 64659680), (32, 62639065), (40, 50111252), (62, 32329840), (80, 25055626), (124, 16164920), (155, 12931936), (160, 12527813), (248, 8082460), (310, 6465968), (496, 4041230), (620, 3232984), (992, 2020615), (1240, 1616492), (2480, 808246), (4960, 404123)]