40820728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{4729}}^1$

素因数の和:4831

約数の個数: 32

約数和(自身を含む): 83437200

約数和(自身を除く): 42616472

約数列:

[1, 2, 4, 8, 13, 26, 52, 83, 104, 166, 332, 664, 1079, 2158, 4316, 4729, 8632, 9458, 18916, 37832, 61477, 122954, 245908, 392507, 491816, 785014, 1570028, 3140056, 5102591, 10205182, 20410364, 40820728]

約数ペア:

[(1, 40820728), (2, 20410364), (4, 10205182), (8, 5102591), (13, 3140056), (26, 1570028), (52, 785014), (83, 491816), (104, 392507), (166, 245908), (332, 122954), (664, 61477), (1079, 37832), (2158, 18916), (4316, 9458), (4729, 8632)]