405107690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{100523}}^1$

素因数の和:100574

約数の個数: 32

約数和(自身を含む): 810625536

約数和(自身を除く): 405517846

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 100523, 201046, 502615, 1005230, 1306799, 2613598, 3116213, 6232426, 6533995, 13067990, 15581065, 31162130, 40510769, 81021538, 202553845, 405107690]

約数ペア:

[(1, 405107690), (2, 202553845), (5, 81021538), (10, 40510769), (13, 31162130), (26, 15581065), (31, 13067990), (62, 6533995), (65, 6232426), (130, 3116213), (155, 2613598), (310, 1306799), (403, 1005230), (806, 502615), (2015, 201046), (4030, 100523)]