87251720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{75217}}^1$

素因数の和:75257

約数の個数: 32

約数和(自身を含む): 203088600

約数和(自身を除く): 115836880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 75217, 150434, 300868, 376085, 601736, 752170, 1504340, 2181293, 3008680, 4362586, 8725172, 10906465, 17450344, 21812930, 43625860, 87251720]

約数ペア:

[(1, 87251720), (2, 43625860), (4, 21812930), (5, 17450344), (8, 10906465), (10, 8725172), (20, 4362586), (29, 3008680), (40, 2181293), (58, 1504340), (116, 752170), (145, 601736), (232, 376085), (290, 300868), (580, 150434), (1160, 75217)]