72458720

素因数分解:

$2^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3457}}^1$

素因数の和:3603

約数の個数: 48

約数和(自身を含む): 172540368

約数和(自身を除く): 100081648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 131, 160, 262, 524, 655, 1048, 1310, 2096, 2620, 3457, 4192, 5240, 6914, 10480, 13828, 17285, 20960, 27656, 34570, 55312, 69140, 110624, 138280, 276560, 452867, 553120, 905734, 1811468, 2264335, 3622936, 4528670, 7245872, 9057340, 14491744, 18114680, 36229360, 72458720]

約数ペア:

[(1, 72458720), (2, 36229360), (4, 18114680), (5, 14491744), (8, 9057340), (10, 7245872), (16, 4528670), (20, 3622936), (32, 2264335), (40, 1811468), (80, 905734), (131, 553120), (160, 452867), (262, 276560), (524, 138280), (655, 110624), (1048, 69140), (1310, 55312), (2096, 34570), (2620, 27656), (3457, 20960), (4192, 17285), (5240, 13828), (6914, 10480)]