139162720

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28057}}^1$

素因数の和:28103

約数の個数: 48

約数和(自身を含む): 339389568

約数和(自身を除く): 200226848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 28057, 56114, 112228, 140285, 224456, 280570, 448912, 561140, 869767, 897824, 1122280, 1739534, 2244560, 3479068, 4348835, 4489120, 6958136, 8697670, 13916272, 17395340, 27832544, 34790680, 69581360, 139162720]

約数ペア:

[(1, 139162720), (2, 69581360), (4, 34790680), (5, 27832544), (8, 17395340), (10, 13916272), (16, 8697670), (20, 6958136), (31, 4489120), (32, 4348835), (40, 3479068), (62, 2244560), (80, 1739534), (124, 1122280), (155, 897824), (160, 869767), (248, 561140), (310, 448912), (496, 280570), (620, 224456), (992, 140285), (1240, 112228), (2480, 56114), (4960, 28057)]