25304556800

素因数分解:

$2^8\times 5^2\times {\mathrm{61}}^1\times {\mathrm{64817}}^1$

素因数の和:64904

約数の個数: 108

約数和(自身を含む): 63660480156

約数和(自身を除く): 38355923356

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 122, 128, 160, 200, 244, 256, 305, 320, 400, 488, 610, 640, 800, 976, 1220, 1280, 1525, 1600, 1952, 2440, 3050, 3200, 3904, 4880, 6100, 6400, 7808, 9760, 12200, 15616, 19520, 24400, 39040, 48800, 64817, 78080, 97600, 129634, 195200, 259268, 324085, 390400, 518536, 648170, 1037072, 1296340, 1620425, 2074144, 2592680, 3240850, 3953837, 4148288, 5185360, 6481700, 7907674, 8296576, 10370720, 12963400, 15815348, 16593152, 19769185, 20741440, 25926800, 31630696, 39538370, 41482880, 51853600, 63261392, 79076740, 82965760, 98845925, 103707200, 126522784, 158153480, 197691850, 207414400, 253045568, 316306960, 395383700, 414828800, 506091136, 632613920, 790767400, 1012182272, 1265227840, 1581534800, 2530455680, 3163069600, 5060911360, 6326139200, 12652278400, 25304556800]

約数ペア:

[(1, 25304556800), (2, 12652278400), (4, 6326139200), (5, 5060911360), (8, 3163069600), (10, 2530455680), (16, 1581534800), (20, 1265227840), (25, 1012182272), (32, 790767400), (40, 632613920), (50, 506091136), (61, 414828800), (64, 395383700), (80, 316306960), (100, 253045568), (122, 207414400), (128, 197691850), (160, 158153480), (200, 126522784), (244, 103707200), (256, 98845925), (305, 82965760), (320, 79076740), (400, 63261392), (488, 51853600), (610, 41482880), (640, 39538370), (800, 31630696), (976, 25926800), (1220, 20741440), (1280, 19769185), (1525, 16593152), (1600, 15815348), (1952, 12963400), (2440, 10370720), (3050, 8296576), (3200, 7907674), (3904, 6481700), (4880, 5185360), (6100, 4148288), (6400, 3953837), (7808, 3240850), (9760, 2592680), (12200, 2074144), (15616, 1620425), (19520, 1296340), (24400, 1037072), (39040, 648170), (48800, 518536), (64817, 390400), (78080, 324085), (97600, 259268), (129634, 195200)]