20159241440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9691943}}^1$

素因数の和:9691971

約数の個数: 48

約数和(自身を含む): 51289767648

約数和(自身を除く): 31130526208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 9691943, 19383886, 38767772, 48459715, 77535544, 96919430, 125995259, 155071088, 193838860, 251990518, 310142176, 387677720, 503981036, 629976295, 775355440, 1007962072, 1259952590, 1550710880, 2015924144, 2519905180, 4031848288, 5039810360, 10079620720, 20159241440]

約数ペア:

[(1, 20159241440), (2, 10079620720), (4, 5039810360), (5, 4031848288), (8, 2519905180), (10, 2015924144), (13, 1550710880), (16, 1259952590), (20, 1007962072), (26, 775355440), (32, 629976295), (40, 503981036), (52, 387677720), (65, 310142176), (80, 251990518), (104, 193838860), (130, 155071088), (160, 125995259), (208, 96919430), (260, 77535544), (416, 48459715), (520, 38767772), (1040, 19383886), (2080, 9691943)]