18530080

素因数分解:

$2^5\times 5^1\times {\mathrm{179}}^1\times {\mathrm{647}}^1$

素因数の和:841

約数の個数: 48

約数和(自身を含む): 44089920

約数和(自身を除く): 25559840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179, 358, 647, 716, 895, 1294, 1432, 1790, 2588, 2864, 3235, 3580, 5176, 5728, 6470, 7160, 10352, 12940, 14320, 20704, 25880, 28640, 51760, 103520, 115813, 231626, 463252, 579065, 926504, 1158130, 1853008, 2316260, 3706016, 4632520, 9265040, 18530080]

約数ペア:

[(1, 18530080), (2, 9265040), (4, 4632520), (5, 3706016), (8, 2316260), (10, 1853008), (16, 1158130), (20, 926504), (32, 579065), (40, 463252), (80, 231626), (160, 115813), (179, 103520), (358, 51760), (647, 28640), (716, 25880), (895, 20704), (1294, 14320), (1432, 12940), (1790, 10352), (2588, 7160), (2864, 6470), (3235, 5728), (3580, 5176)]