28645073840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11550433}}^1$

素因数の和:11550477

約数の個数: 40

約数和(自身を含む): 68748183168

約数和(自身を除く): 40103109328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 11550433, 23100866, 46201732, 57752165, 92403464, 115504330, 184806928, 231008660, 358063423, 462017320, 716126846, 924034640, 1432253692, 1790317115, 2864507384, 3580634230, 5729014768, 7161268460, 14322536920, 28645073840]

約数ペア:

[(1, 28645073840), (2, 14322536920), (4, 7161268460), (5, 5729014768), (8, 3580634230), (10, 2864507384), (16, 1790317115), (20, 1432253692), (31, 924034640), (40, 716126846), (62, 462017320), (80, 358063423), (124, 231008660), (155, 184806928), (248, 115504330), (310, 92403464), (496, 57752165), (620, 46201732), (1240, 23100866), (2480, 11550433)]