201809775920

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1297}}^1\times {\mathrm{7177}}^1$

素因数の和:8758

約数の個数: 80

約数和(自身を含む): 471367890048

約数和(自身を除く): 269558114128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1297, 1355, 2168, 2594, 2710, 4336, 5188, 5420, 6485, 7177, 10376, 10840, 12970, 14354, 20752, 21680, 25940, 28708, 35885, 51880, 57416, 71770, 103760, 114832, 143540, 287080, 351487, 574160, 702974, 1405948, 1757435, 1944967, 2811896, 3514870, 3889934, 5623792, 7029740, 7779868, 9308569, 9724835, 14059480, 15559736, 18617138, 19449670, 28118960, 31119472, 37234276, 38899340, 46542845, 74468552, 77798680, 93085690, 148937104, 155597360, 186171380, 372342760, 744685520, 2522622199, 5045244398, 10090488796, 12613110995, 20180977592, 25226221990, 40361955184, 50452443980, 100904887960, 201809775920]

約数ペア:

[(1, 201809775920), (2, 100904887960), (4, 50452443980), (5, 40361955184), (8, 25226221990), (10, 20180977592), (16, 12613110995), (20, 10090488796), (40, 5045244398), (80, 2522622199), (271, 744685520), (542, 372342760), (1084, 186171380), (1297, 155597360), (1355, 148937104), (2168, 93085690), (2594, 77798680), (2710, 74468552), (4336, 46542845), (5188, 38899340), (5420, 37234276), (6485, 31119472), (7177, 28118960), (10376, 19449670), (10840, 18617138), (12970, 15559736), (14354, 14059480), (20752, 9724835), (21680, 9308569), (25940, 7779868), (28708, 7029740), (35885, 5623792), (51880, 3889934), (57416, 3514870), (71770, 2811896), (103760, 1944967), (114832, 1757435), (143540, 1405948), (287080, 702974), (351487, 574160)]