72396220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{21419}}^1$

素因数の和:21454

約数の個数: 36

約数和(自身を含む): 164634120

約数和(自身を除く): 92237900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 21419, 42838, 85676, 107095, 214190, 278447, 428380, 556894, 1113788, 1392235, 2784470, 3619811, 5568940, 7239622, 14479244, 18099055, 36198110, 72396220]

約数ペア:

[(1, 72396220), (2, 36198110), (4, 18099055), (5, 14479244), (10, 7239622), (13, 5568940), (20, 3619811), (26, 2784470), (52, 1392235), (65, 1113788), (130, 556894), (169, 428380), (260, 278447), (338, 214190), (676, 107095), (845, 85676), (1690, 42838), (3380, 21419)]