72001840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{29033}}^1$

素因数の和:29077

約数の個数: 40

約数和(自身を含む): 172810368

約数和(自身を除く): 100808528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 29033, 58066, 116132, 145165, 232264, 290330, 464528, 580660, 900023, 1161320, 1800046, 2322640, 3600092, 4500115, 7200184, 9000230, 14400368, 18000460, 36000920, 72001840]

約数ペア:

[(1, 72001840), (2, 36000920), (4, 18000460), (5, 14400368), (8, 9000230), (10, 7200184), (16, 4500115), (20, 3600092), (31, 2322640), (40, 1800046), (62, 1161320), (80, 900023), (124, 580660), (155, 464528), (248, 290330), (310, 232264), (496, 145165), (620, 116132), (1240, 58066), (2480, 29033)]