13262080

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{797}}^1$

素因数の和:831

約数の個数: 72

約数和(自身を含む): 34253352

約数和(自身を除く): 20991272

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 797, 832, 1040, 1280, 1594, 1664, 2080, 3188, 3328, 3985, 4160, 6376, 7970, 8320, 10361, 12752, 15940, 16640, 20722, 25504, 31880, 41444, 51008, 51805, 63760, 82888, 102016, 103610, 127520, 165776, 204032, 207220, 255040, 331552, 414440, 510080, 663104, 828880, 1020160, 1326208, 1657760, 2652416, 3315520, 6631040, 13262080]

約数ペア:

[(1, 13262080), (2, 6631040), (4, 3315520), (5, 2652416), (8, 1657760), (10, 1326208), (13, 1020160), (16, 828880), (20, 663104), (26, 510080), (32, 414440), (40, 331552), (52, 255040), (64, 207220), (65, 204032), (80, 165776), (104, 127520), (128, 103610), (130, 102016), (160, 82888), (208, 63760), (256, 51805), (260, 51008), (320, 41444), (416, 31880), (520, 25504), (640, 20722), (797, 16640), (832, 15940), (1040, 12752), (1280, 10361), (1594, 8320), (1664, 7970), (2080, 6376), (3188, 4160), (3328, 3985)]