80492588720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1909217}}^1$

素因数の和:1909278

約数の個数: 80

約数和(自身を含む): 204545979648

約数和(自身を除く): 124053390928

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 2108, 2480, 2635, 4216, 5270, 8432, 10540, 21080, 42160, 1909217, 3818434, 7636868, 9546085, 15273736, 19092170, 30547472, 32456689, 38184340, 59185727, 64913378, 76368680, 118371454, 129826756, 152737360, 162283445, 236742908, 259653512, 295928635, 324566890, 473485816, 519307024, 591857270, 649133780, 946971632, 1006157359, 1183714540, 1298267560, 2012314718, 2367429080, 2596535120, 4024629436, 4734858160, 5030786795, 8049258872, 10061573590, 16098517744, 20123147180, 40246294360, 80492588720]

約数ペア:

[(1, 80492588720), (2, 40246294360), (4, 20123147180), (5, 16098517744), (8, 10061573590), (10, 8049258872), (16, 5030786795), (17, 4734858160), (20, 4024629436), (31, 2596535120), (34, 2367429080), (40, 2012314718), (62, 1298267560), (68, 1183714540), (80, 1006157359), (85, 946971632), (124, 649133780), (136, 591857270), (155, 519307024), (170, 473485816), (248, 324566890), (272, 295928635), (310, 259653512), (340, 236742908), (496, 162283445), (527, 152737360), (620, 129826756), (680, 118371454), (1054, 76368680), (1240, 64913378), (1360, 59185727), (2108, 38184340), (2480, 32456689), (2635, 30547472), (4216, 19092170), (5270, 15273736), (8432, 9546085), (10540, 7636868), (21080, 3818434), (42160, 1909217)]