40981928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1013}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 83046600

約数和(自身を除く): 42064672

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 389, 778, 1013, 1556, 2026, 3112, 4052, 5057, 8104, 10114, 13169, 20228, 26338, 40456, 52676, 105352, 394057, 788114, 1576228, 3152456, 5122741, 10245482, 20490964, 40981928]

約数ペア:

[(1, 40981928), (2, 20490964), (4, 10245482), (8, 5122741), (13, 3152456), (26, 1576228), (52, 788114), (104, 394057), (389, 105352), (778, 52676), (1013, 40456), (1556, 26338), (2026, 20228), (3112, 13169), (4052, 10114), (5057, 8104)]