28330000

素因数分解:

$2^4\times 5^4\times {\mathrm{2833}}^1$

素因数の和:2861

約数の個数: 50

約数和(自身を含む): 68613974

約数和(自身を除く): 40283974

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 2833, 5000, 5666, 10000, 11332, 14165, 22664, 28330, 45328, 56660, 70825, 113320, 141650, 226640, 283300, 354125, 566600, 708250, 1133200, 1416500, 1770625, 2833000, 3541250, 5666000, 7082500, 14165000, 28330000]

約数ペア:

[(1, 28330000), (2, 14165000), (4, 7082500), (5, 5666000), (8, 3541250), (10, 2833000), (16, 1770625), (20, 1416500), (25, 1133200), (40, 708250), (50, 566600), (80, 354125), (100, 283300), (125, 226640), (200, 141650), (250, 113320), (400, 70825), (500, 56660), (625, 45328), (1000, 28330), (1250, 22664), (2000, 14165), (2500, 11332), (2833, 10000), (5000, 5666)]