49954640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20143}}^1$

素因数の和:20187

約数の個数: 40

約数和(自身を含む): 119897088

約数和(自身を除く): 69942448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 20143, 40286, 80572, 100715, 161144, 201430, 322288, 402860, 624433, 805720, 1248866, 1611440, 2497732, 3122165, 4995464, 6244330, 9990928, 12488660, 24977320, 49954640]

約数ペア:

[(1, 49954640), (2, 24977320), (4, 12488660), (5, 9990928), (8, 6244330), (10, 4995464), (16, 3122165), (20, 2497732), (31, 1611440), (40, 1248866), (62, 805720), (80, 624433), (124, 402860), (155, 322288), (248, 201430), (310, 161144), (496, 100715), (620, 80572), (1240, 40286), (2480, 20143)]