26351240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 62208000

約数和(自身を除く): 35856760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 79, 124, 155, 158, 248, 269, 310, 316, 395, 538, 620, 632, 790, 1076, 1240, 1345, 1580, 2152, 2449, 2690, 3160, 4898, 5380, 8339, 9796, 10760, 12245, 16678, 19592, 21251, 24490, 33356, 41695, 42502, 48980, 66712, 83390, 85004, 97960, 106255, 166780, 170008, 212510, 333560, 425020, 658781, 850040, 1317562, 2635124, 3293905, 5270248, 6587810, 13175620, 26351240]

約数ペア:

[(1, 26351240), (2, 13175620), (4, 6587810), (5, 5270248), (8, 3293905), (10, 2635124), (20, 1317562), (31, 850040), (40, 658781), (62, 425020), (79, 333560), (124, 212510), (155, 170008), (158, 166780), (248, 106255), (269, 97960), (310, 85004), (316, 83390), (395, 66712), (538, 48980), (620, 42502), (632, 41695), (790, 33356), (1076, 24490), (1240, 21251), (1345, 19592), (1580, 16678), (2152, 12245), (2449, 10760), (2690, 9796), (3160, 8339), (4898, 5380)]