18778801840

素因数分解:

$2^4\times 5^1\times {\mathrm{2339}}^1\times {\mathrm{100357}}^1$

素因数の和:102709

約数の個数: 40

約数和(自身を含む): 43679815920

約数和(自身を除く): 24901014080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2339, 4678, 9356, 11695, 18712, 23390, 37424, 46780, 93560, 100357, 187120, 200714, 401428, 501785, 802856, 1003570, 1605712, 2007140, 4014280, 8028560, 234735023, 469470046, 938940092, 1173675115, 1877880184, 2347350230, 3755760368, 4694700460, 9389400920, 18778801840]

約数ペア:

[(1, 18778801840), (2, 9389400920), (4, 4694700460), (5, 3755760368), (8, 2347350230), (10, 1877880184), (16, 1173675115), (20, 938940092), (40, 469470046), (80, 234735023), (2339, 8028560), (4678, 4014280), (9356, 2007140), (11695, 1605712), (18712, 1003570), (23390, 802856), (37424, 501785), (46780, 401428), (93560, 200714), (100357, 187120)]