8545720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 20412000

約数和(自身を除く): 11866280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 53, 58, 106, 116, 139, 145, 212, 232, 265, 278, 290, 424, 530, 556, 580, 695, 1060, 1112, 1160, 1390, 1537, 2120, 2780, 3074, 4031, 5560, 6148, 7367, 7685, 8062, 12296, 14734, 15370, 16124, 20155, 29468, 30740, 32248, 36835, 40310, 58936, 61480, 73670, 80620, 147340, 161240, 213643, 294680, 427286, 854572, 1068215, 1709144, 2136430, 4272860, 8545720]

約数ペア:

[(1, 8545720), (2, 4272860), (4, 2136430), (5, 1709144), (8, 1068215), (10, 854572), (20, 427286), (29, 294680), (40, 213643), (53, 161240), (58, 147340), (106, 80620), (116, 73670), (139, 61480), (145, 58936), (212, 40310), (232, 36835), (265, 32248), (278, 30740), (290, 29468), (424, 20155), (530, 16124), (556, 15370), (580, 14734), (695, 12296), (1060, 8062), (1112, 7685), (1160, 7367), (1390, 6148), (1537, 5560), (2120, 4031), (2780, 3074)]