20180239240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1399}}^1\times {\mathrm{51517}}^1$

素因数の和:52934

約数の個数: 64

約数和(自身を含む): 51930144000

約数和(自身を除く): 31749904760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1399, 2798, 5596, 6995, 9793, 11192, 13990, 19586, 27980, 39172, 48965, 51517, 55960, 78344, 97930, 103034, 195860, 206068, 257585, 360619, 391720, 412136, 515170, 721238, 1030340, 1442476, 1803095, 2060680, 2884952, 3606190, 7212380, 14424760, 72072283, 144144566, 288289132, 360361415, 504505981, 576578264, 720722830, 1009011962, 1441445660, 2018023924, 2522529905, 2882891320, 4036047848, 5045059810, 10090119620, 20180239240]

約数ペア:

[(1, 20180239240), (2, 10090119620), (4, 5045059810), (5, 4036047848), (7, 2882891320), (8, 2522529905), (10, 2018023924), (14, 1441445660), (20, 1009011962), (28, 720722830), (35, 576578264), (40, 504505981), (56, 360361415), (70, 288289132), (140, 144144566), (280, 72072283), (1399, 14424760), (2798, 7212380), (5596, 3606190), (6995, 2884952), (9793, 2060680), (11192, 1803095), (13990, 1442476), (19586, 1030340), (27980, 721238), (39172, 515170), (48965, 412136), (51517, 391720), (55960, 360619), (78344, 257585), (97930, 206068), (103034, 195860)]