90442360

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{28621}}^1$

素因数の和:28711

約数の個数: 32

約数和(自身を含む): 206078400

約数和(自身を除く): 115636040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 28621, 57242, 114484, 143105, 228968, 286210, 572420, 1144840, 2261059, 4522118, 9044236, 11305295, 18088472, 22610590, 45221180, 90442360]

約数ペア:

[(1, 90442360), (2, 45221180), (4, 22610590), (5, 18088472), (8, 11305295), (10, 9044236), (20, 4522118), (40, 2261059), (79, 1144840), (158, 572420), (316, 286210), (395, 228968), (632, 143105), (790, 114484), (1580, 57242), (3160, 28621)]