405103660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{50261}}^1$

素因数の和:50314

約数の個数: 48

約数和(自身を含む): 945729792

約数和(自身を除く): 540626132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 50261, 100522, 201044, 251305, 502610, 653393, 1005220, 1306786, 1558091, 2613572, 3116182, 3266965, 6232364, 6533930, 7790455, 13067860, 15580910, 20255183, 31161820, 40510366, 81020732, 101275915, 202551830, 405103660]

約数ペア:

[(1, 405103660), (2, 202551830), (4, 101275915), (5, 81020732), (10, 40510366), (13, 31161820), (20, 20255183), (26, 15580910), (31, 13067860), (52, 7790455), (62, 6533930), (65, 6232364), (124, 3266965), (130, 3116182), (155, 2613572), (260, 1558091), (310, 1306786), (403, 1005220), (620, 653393), (806, 502610), (1612, 251305), (2015, 201044), (4030, 100522), (8060, 50261)]