90403360

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{13781}}^1$

素因数の和:13837

約数の個数: 48

約数和(自身を含む): 218803032

約数和(自身を除く): 128399672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 13781, 27562, 55124, 68905, 110248, 137810, 220496, 275620, 440992, 551240, 565021, 1102480, 1130042, 2204960, 2260084, 2825105, 4520168, 5650210, 9040336, 11300420, 18080672, 22600840, 45201680, 90403360]

約数ペア:

[(1, 90403360), (2, 45201680), (4, 22600840), (5, 18080672), (8, 11300420), (10, 9040336), (16, 5650210), (20, 4520168), (32, 2825105), (40, 2260084), (41, 2204960), (80, 1130042), (82, 1102480), (160, 565021), (164, 551240), (205, 440992), (328, 275620), (410, 220496), (656, 137810), (820, 110248), (1312, 68905), (1640, 55124), (3280, 27562), (6560, 13781)]