28283840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{523}}^1$

素因数の和:566

約数の個数: 84

約数和(自身を含む): 73069704

約数和(自身を除く): 44785864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 169, 208, 260, 320, 338, 416, 520, 523, 676, 832, 845, 1040, 1046, 1352, 1690, 2080, 2092, 2615, 2704, 3380, 4160, 4184, 5230, 5408, 6760, 6799, 8368, 10460, 10816, 13520, 13598, 16736, 20920, 27040, 27196, 33472, 33995, 41840, 54080, 54392, 67990, 83680, 88387, 108784, 135980, 167360, 176774, 217568, 271960, 353548, 435136, 441935, 543920, 707096, 883870, 1087840, 1414192, 1767740, 2175680, 2828384, 3535480, 5656768, 7070960, 14141920, 28283840]

約数ペア:

[(1, 28283840), (2, 14141920), (4, 7070960), (5, 5656768), (8, 3535480), (10, 2828384), (13, 2175680), (16, 1767740), (20, 1414192), (26, 1087840), (32, 883870), (40, 707096), (52, 543920), (64, 441935), (65, 435136), (80, 353548), (104, 271960), (130, 217568), (160, 176774), (169, 167360), (208, 135980), (260, 108784), (320, 88387), (338, 83680), (416, 67990), (520, 54392), (523, 54080), (676, 41840), (832, 33995), (845, 33472), (1040, 27196), (1046, 27040), (1352, 20920), (1690, 16736), (2080, 13598), (2092, 13520), (2615, 10816), (2704, 10460), (3380, 8368), (4160, 6799), (4184, 6760), (5230, 5408)]