90642800

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{5527}}^1$

素因数の和:5586

約数の個数: 60

約数和(自身を含む): 223121136

約数和(自身を除く): 132478336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 328, 400, 410, 656, 820, 1025, 1640, 2050, 3280, 4100, 5527, 8200, 11054, 16400, 22108, 27635, 44216, 55270, 88432, 110540, 138175, 221080, 226607, 276350, 442160, 453214, 552700, 906428, 1105400, 1133035, 1812856, 2210800, 2266070, 3625712, 4532140, 5665175, 9064280, 11330350, 18128560, 22660700, 45321400, 90642800]

約数ペア:

[(1, 90642800), (2, 45321400), (4, 22660700), (5, 18128560), (8, 11330350), (10, 9064280), (16, 5665175), (20, 4532140), (25, 3625712), (40, 2266070), (41, 2210800), (50, 1812856), (80, 1133035), (82, 1105400), (100, 906428), (164, 552700), (200, 453214), (205, 442160), (328, 276350), (400, 226607), (410, 221080), (656, 138175), (820, 110540), (1025, 88432), (1640, 55270), (2050, 44216), (3280, 27635), (4100, 22108), (5527, 16400), (8200, 11054)]