40250500

素因数分解:

$2^2\times 5^3\times {\mathrm{79}}^1\times {\mathrm{1019}}^1$

素因数の和:1117

約数の個数: 48

約数和(自身を含む): 89107200

約数和(自身を除く): 48856700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 125, 158, 250, 316, 395, 500, 790, 1019, 1580, 1975, 2038, 3950, 4076, 5095, 7900, 9875, 10190, 19750, 20380, 25475, 39500, 50950, 80501, 101900, 127375, 161002, 254750, 322004, 402505, 509500, 805010, 1610020, 2012525, 4025050, 8050100, 10062625, 20125250, 40250500]

約数ペア:

[(1, 40250500), (2, 20125250), (4, 10062625), (5, 8050100), (10, 4025050), (20, 2012525), (25, 1610020), (50, 805010), (79, 509500), (100, 402505), (125, 322004), (158, 254750), (250, 161002), (316, 127375), (395, 101900), (500, 80501), (790, 50950), (1019, 39500), (1580, 25475), (1975, 20380), (2038, 19750), (3950, 10190), (4076, 9875), (5095, 7900)]