87706720

素因数分解:

$2^5\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1367}}^1$

素因数の和:1783

約数の個数: 48

約数和(自身を含む): 207875808

約数和(自身を除く): 120169088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 401, 802, 1367, 1604, 2005, 2734, 3208, 4010, 5468, 6416, 6835, 8020, 10936, 12832, 13670, 16040, 21872, 27340, 32080, 43744, 54680, 64160, 109360, 218720, 548167, 1096334, 2192668, 2740835, 4385336, 5481670, 8770672, 10963340, 17541344, 21926680, 43853360, 87706720]

約数ペア:

[(1, 87706720), (2, 43853360), (4, 21926680), (5, 17541344), (8, 10963340), (10, 8770672), (16, 5481670), (20, 4385336), (32, 2740835), (40, 2192668), (80, 1096334), (160, 548167), (401, 218720), (802, 109360), (1367, 64160), (1604, 54680), (2005, 43744), (2734, 32080), (3208, 27340), (4010, 21872), (5468, 16040), (6416, 13670), (6835, 12832), (8020, 10936)]