16495720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 39191040

約数和(自身を除く): 22695320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 248, 251, 265, 310, 424, 502, 530, 620, 1004, 1060, 1240, 1255, 1643, 2008, 2120, 2510, 3286, 5020, 6572, 7781, 8215, 10040, 13144, 13303, 15562, 16430, 26606, 31124, 32860, 38905, 53212, 62248, 65720, 66515, 77810, 106424, 133030, 155620, 266060, 311240, 412393, 532120, 824786, 1649572, 2061965, 3299144, 4123930, 8247860, 16495720]

約数ペア:

[(1, 16495720), (2, 8247860), (4, 4123930), (5, 3299144), (8, 2061965), (10, 1649572), (20, 824786), (31, 532120), (40, 412393), (53, 311240), (62, 266060), (106, 155620), (124, 133030), (155, 106424), (212, 77810), (248, 66515), (251, 65720), (265, 62248), (310, 53212), (424, 38905), (502, 32860), (530, 31124), (620, 26606), (1004, 16430), (1060, 15562), (1240, 13303), (1255, 13144), (1643, 10040), (2008, 8215), (2120, 7781), (2510, 6572), (3286, 5020)]