40257542

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{359}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 68947200

約数和(自身を除く): 28689658

約数列:

[1, 2, 13, 19, 26, 38, 227, 247, 359, 454, 494, 718, 2951, 4313, 4667, 5902, 6821, 8626, 9334, 13642, 56069, 81493, 88673, 112138, 162986, 177346, 1059409, 1548367, 2118818, 3096734, 20128771, 40257542]

約数ペア:

[(1, 40257542), (2, 20128771), (13, 3096734), (19, 2118818), (26, 1548367), (38, 1059409), (227, 177346), (247, 162986), (359, 112138), (454, 88673), (494, 81493), (718, 56069), (2951, 13642), (4313, 9334), (4667, 8626), (5902, 6821)]