199029920

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{40127}}^1$

素因数の和:40173

約数の個数: 48

約数和(自身を含む): 485388288

約数和(自身を除く): 286358368

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, 40127, 80254, 160508, 200635, 321016, 401270, 642032, 802540, 1243937, 1284064, 1605080, 2487874, 3210160, 4975748, 6219685, 6420320, 9951496, 12439370, 19902992, 24878740, 39805984, 49757480, 99514960, 199029920]

約数ペア:

[(1, 199029920), (2, 99514960), (4, 49757480), (5, 39805984), (8, 24878740), (10, 19902992), (16, 12439370), (20, 9951496), (31, 6420320), (32, 6219685), (40, 4975748), (62, 3210160), (80, 2487874), (124, 1605080), (155, 1284064), (160, 1243937), (248, 802540), (310, 642032), (496, 401270), (620, 321016), (992, 200635), (1240, 160508), (2480, 80254), (4960, 40127)]