90650240

素因数分解:

$2^7\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1019}}^1$

素因数の和:1177

約数の個数: 64

約数和(自身を含む): 218484000

約数和(自身を除く): 127833760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 278, 320, 556, 640, 695, 1019, 1112, 1390, 2038, 2224, 2780, 4076, 4448, 5095, 5560, 8152, 8896, 10190, 11120, 16304, 17792, 20380, 22240, 32608, 40760, 44480, 65216, 81520, 88960, 130432, 141641, 163040, 283282, 326080, 566564, 652160, 708205, 1133128, 1416410, 2266256, 2832820, 4532512, 5665640, 9065024, 11331280, 18130048, 22662560, 45325120, 90650240]

約数ペア:

[(1, 90650240), (2, 45325120), (4, 22662560), (5, 18130048), (8, 11331280), (10, 9065024), (16, 5665640), (20, 4532512), (32, 2832820), (40, 2266256), (64, 1416410), (80, 1133128), (128, 708205), (139, 652160), (160, 566564), (278, 326080), (320, 283282), (556, 163040), (640, 141641), (695, 130432), (1019, 88960), (1112, 81520), (1390, 65216), (2038, 44480), (2224, 40760), (2780, 32608), (4076, 22240), (4448, 20380), (5095, 17792), (5560, 16304), (8152, 11120), (8896, 10190)]