40839250

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 81544320

約数和(自身を除く): 40705070

約数列:

[1, 2, 5, 10, 25, 29, 43, 50, 58, 86, 125, 131, 145, 215, 250, 262, 290, 430, 655, 725, 1075, 1247, 1310, 1450, 2150, 2494, 3275, 3625, 3799, 5375, 5633, 6235, 6550, 7250, 7598, 10750, 11266, 12470, 16375, 18995, 28165, 31175, 32750, 37990, 56330, 62350, 94975, 140825, 155875, 163357, 189950, 281650, 311750, 326714, 474875, 704125, 816785, 949750, 1408250, 1633570, 4083925, 8167850, 20419625, 40839250]

約数ペア:

[(1, 40839250), (2, 20419625), (5, 8167850), (10, 4083925), (25, 1633570), (29, 1408250), (43, 949750), (50, 816785), (58, 704125), (86, 474875), (125, 326714), (131, 311750), (145, 281650), (215, 189950), (250, 163357), (262, 155875), (290, 140825), (430, 94975), (655, 62350), (725, 56330), (1075, 37990), (1247, 32750), (1310, 31175), (1450, 28165), (2150, 18995), (2494, 16375), (3275, 12470), (3625, 11266), (3799, 10750), (5375, 7598), (5633, 7250), (6235, 6550)]