20160469720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1\times {\mathrm{37117}}^1$

素因数の和:37532

約数の個数: 64

約数和(自身を含む): 46715230080

約数和(自身を除く): 26554760360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 367, 370, 734, 740, 1468, 1480, 1835, 2936, 3670, 7340, 13579, 14680, 27158, 37117, 54316, 67895, 74234, 108632, 135790, 148468, 185585, 271580, 296936, 371170, 543160, 742340, 1373329, 1484680, 2746658, 5493316, 6866645, 10986632, 13621939, 13733290, 27243878, 27466580, 54487756, 54933160, 68109695, 108975512, 136219390, 272438780, 504011743, 544877560, 1008023486, 2016046972, 2520058715, 4032093944, 5040117430, 10080234860, 20160469720]

約数ペア:

[(1, 20160469720), (2, 10080234860), (4, 5040117430), (5, 4032093944), (8, 2520058715), (10, 2016046972), (20, 1008023486), (37, 544877560), (40, 504011743), (74, 272438780), (148, 136219390), (185, 108975512), (296, 68109695), (367, 54933160), (370, 54487756), (734, 27466580), (740, 27243878), (1468, 13733290), (1480, 13621939), (1835, 10986632), (2936, 6866645), (3670, 5493316), (7340, 2746658), (13579, 1484680), (14680, 1373329), (27158, 742340), (37117, 543160), (54316, 371170), (67895, 296936), (74234, 271580), (108632, 185585), (135790, 148468)]