38893840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15683}}^1$

素因数の和:15727

約数の個数: 40

約数和(自身を含む): 93351168

約数和(自身を除く): 54457328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 15683, 31366, 62732, 78415, 125464, 156830, 250928, 313660, 486173, 627320, 972346, 1254640, 1944692, 2430865, 3889384, 4861730, 7778768, 9723460, 19446920, 38893840]

約数ペア:

[(1, 38893840), (2, 19446920), (4, 9723460), (5, 7778768), (8, 4861730), (10, 3889384), (16, 2430865), (20, 1944692), (31, 1254640), (40, 972346), (62, 627320), (80, 486173), (124, 313660), (155, 250928), (248, 156830), (310, 125464), (496, 78415), (620, 62732), (1240, 31366), (2480, 15683)]