200078960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{80677}}^1$

素因数の和:80721

約数の個数: 40

約数和(自身を含む): 480195456

約数和(自身を除く): 280116496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 80677, 161354, 322708, 403385, 645416, 806770, 1290832, 1613540, 2500987, 3227080, 5001974, 6454160, 10003948, 12504935, 20007896, 25009870, 40015792, 50019740, 100039480, 200078960]

約数ペア:

[(1, 200078960), (2, 100039480), (4, 50019740), (5, 40015792), (8, 25009870), (10, 20007896), (16, 12504935), (20, 10003948), (31, 6454160), (40, 5001974), (62, 3227080), (80, 2500987), (124, 1613540), (155, 1290832), (248, 806770), (310, 645416), (496, 403385), (620, 322708), (1240, 161354), (2480, 80677)]