28392040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{971}}^1$

素因数の和:1042

約数の個数: 64

約数和(自身を含む): 69284160

約数和(自身を除く): 40892120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 680, 731, 860, 971, 1462, 1720, 1942, 2924, 3655, 3884, 4855, 5848, 7310, 7768, 9710, 14620, 16507, 19420, 29240, 33014, 38840, 41753, 66028, 82535, 83506, 132056, 165070, 167012, 208765, 330140, 334024, 417530, 660280, 709801, 835060, 1419602, 1670120, 2839204, 3549005, 5678408, 7098010, 14196020, 28392040]

約数ペア:

[(1, 28392040), (2, 14196020), (4, 7098010), (5, 5678408), (8, 3549005), (10, 2839204), (17, 1670120), (20, 1419602), (34, 835060), (40, 709801), (43, 660280), (68, 417530), (85, 334024), (86, 330140), (136, 208765), (170, 167012), (172, 165070), (215, 132056), (340, 83506), (344, 82535), (430, 66028), (680, 41753), (731, 38840), (860, 33014), (971, 29240), (1462, 19420), (1720, 16507), (1942, 14620), (2924, 9710), (3655, 7768), (3884, 7310), (4855, 5848)]