131365520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11483}}^1$

素因数の和:11520

約数の個数: 80

約数和(自身を含む): 358852032

約数和(自身を除く): 227486512

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 11440, 11483, 22966, 45932, 57415, 91864, 114830, 126313, 149279, 183728, 229660, 252626, 298558, 459320, 505252, 597116, 631565, 746395, 918640, 1010504, 1194232, 1263130, 1492790, 1642069, 2021008, 2388464, 2526260, 2985580, 3284138, 5052520, 5971160, 6568276, 8210345, 10105040, 11942320, 13136552, 16420690, 26273104, 32841380, 65682760, 131365520]

約数ペア:

[(1, 131365520), (2, 65682760), (4, 32841380), (5, 26273104), (8, 16420690), (10, 13136552), (11, 11942320), (13, 10105040), (16, 8210345), (20, 6568276), (22, 5971160), (26, 5052520), (40, 3284138), (44, 2985580), (52, 2526260), (55, 2388464), (65, 2021008), (80, 1642069), (88, 1492790), (104, 1263130), (110, 1194232), (130, 1010504), (143, 918640), (176, 746395), (208, 631565), (220, 597116), (260, 505252), (286, 459320), (440, 298558), (520, 252626), (572, 229660), (715, 183728), (880, 149279), (1040, 126313), (1144, 114830), (1430, 91864), (2288, 57415), (2860, 45932), (5720, 22966), (11440, 11483)]