461230640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{4391}}^1$

素因数の和:4518

約数の個数: 80

約数和(自身を含む): 1166550336

約数和(自身を除く): 705319696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 101, 104, 130, 202, 208, 260, 404, 505, 520, 808, 1010, 1040, 1313, 1616, 2020, 2626, 4040, 4391, 5252, 6565, 8080, 8782, 10504, 13130, 17564, 21008, 21955, 26260, 35128, 43910, 52520, 57083, 70256, 87820, 105040, 114166, 175640, 228332, 285415, 351280, 443491, 456664, 570830, 886982, 913328, 1141660, 1773964, 2217455, 2283320, 3547928, 4434910, 4566640, 5765383, 7095856, 8869820, 11530766, 17739640, 23061532, 28826915, 35479280, 46123064, 57653830, 92246128, 115307660, 230615320, 461230640]

約数ペア:

[(1, 461230640), (2, 230615320), (4, 115307660), (5, 92246128), (8, 57653830), (10, 46123064), (13, 35479280), (16, 28826915), (20, 23061532), (26, 17739640), (40, 11530766), (52, 8869820), (65, 7095856), (80, 5765383), (101, 4566640), (104, 4434910), (130, 3547928), (202, 2283320), (208, 2217455), (260, 1773964), (404, 1141660), (505, 913328), (520, 886982), (808, 570830), (1010, 456664), (1040, 443491), (1313, 351280), (1616, 285415), (2020, 228332), (2626, 175640), (4040, 114166), (4391, 105040), (5252, 87820), (6565, 70256), (8080, 57083), (8782, 52520), (10504, 43910), (13130, 35128), (17564, 26260), (21008, 21955)]