28396940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9929}}^1$

素因数の和:9962

約数の個数: 48

約数和(自身を含む): 70066080

約数和(自身を除く): 41669140

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 9929, 19858, 39716, 49645, 99290, 109219, 129077, 198580, 218438, 258154, 436876, 516308, 546095, 645385, 1092190, 1290770, 1419847, 2184380, 2581540, 2839694, 5679388, 7099235, 14198470, 28396940]

約数ペア:

[(1, 28396940), (2, 14198470), (4, 7099235), (5, 5679388), (10, 2839694), (11, 2581540), (13, 2184380), (20, 1419847), (22, 1290770), (26, 1092190), (44, 645385), (52, 546095), (55, 516308), (65, 436876), (110, 258154), (130, 218438), (143, 198580), (220, 129077), (260, 109219), (286, 99290), (572, 49645), (715, 39716), (1430, 19858), (2860, 9929)]