39820280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{359}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 93312000

約数和(自身を除く): 53491720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 59, 94, 118, 188, 235, 236, 295, 359, 376, 470, 472, 590, 718, 940, 1180, 1436, 1795, 1880, 2360, 2773, 2872, 3590, 5546, 7180, 11092, 13865, 14360, 16873, 21181, 22184, 27730, 33746, 42362, 55460, 67492, 84365, 84724, 105905, 110920, 134984, 168730, 169448, 211810, 337460, 423620, 674920, 847240, 995507, 1991014, 3982028, 4977535, 7964056, 9955070, 19910140, 39820280]

約数ペア:

[(1, 39820280), (2, 19910140), (4, 9955070), (5, 7964056), (8, 4977535), (10, 3982028), (20, 1991014), (40, 995507), (47, 847240), (59, 674920), (94, 423620), (118, 337460), (188, 211810), (235, 169448), (236, 168730), (295, 134984), (359, 110920), (376, 105905), (470, 84724), (472, 84365), (590, 67492), (718, 55460), (940, 42362), (1180, 33746), (1436, 27730), (1795, 22184), (1880, 21181), (2360, 16873), (2773, 14360), (2872, 13865), (3590, 11092), (5546, 7180)]