82637360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{439}}^1$

素因数の和:646

約数の個数: 80

約数和(自身を含む): 208528320

約数和(自身を除く): 125890960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 181, 208, 260, 362, 439, 520, 724, 878, 905, 1040, 1448, 1756, 1810, 2195, 2353, 2896, 3512, 3620, 4390, 4706, 5707, 7024, 7240, 8780, 9412, 11414, 11765, 14480, 17560, 18824, 22828, 23530, 28535, 35120, 37648, 45656, 47060, 57070, 79459, 91312, 94120, 114140, 158918, 188240, 228280, 317836, 397295, 456560, 635672, 794590, 1032967, 1271344, 1589180, 2065934, 3178360, 4131868, 5164835, 6356720, 8263736, 10329670, 16527472, 20659340, 41318680, 82637360]

約数ペア:

[(1, 82637360), (2, 41318680), (4, 20659340), (5, 16527472), (8, 10329670), (10, 8263736), (13, 6356720), (16, 5164835), (20, 4131868), (26, 3178360), (40, 2065934), (52, 1589180), (65, 1271344), (80, 1032967), (104, 794590), (130, 635672), (181, 456560), (208, 397295), (260, 317836), (362, 228280), (439, 188240), (520, 158918), (724, 114140), (878, 94120), (905, 91312), (1040, 79459), (1448, 57070), (1756, 47060), (1810, 45656), (2195, 37648), (2353, 35120), (2896, 28535), (3512, 23530), (3620, 22828), (4390, 18824), (4706, 17560), (5707, 14480), (7024, 11765), (7240, 11414), (8780, 9412)]