2017667240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{12421}}^1$

素因数の和:12594

約数の個数: 64

約数和(自身を含む): 4722347520

約数和(自身を除く): 2704680280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 131, 155, 248, 262, 310, 524, 620, 655, 1048, 1240, 1310, 2620, 4061, 5240, 8122, 12421, 16244, 20305, 24842, 32488, 40610, 49684, 62105, 81220, 99368, 124210, 162440, 248420, 385051, 496840, 770102, 1540204, 1627151, 1925255, 3080408, 3254302, 3850510, 6508604, 7701020, 8135755, 13017208, 15402040, 16271510, 32543020, 50441681, 65086040, 100883362, 201766724, 252208405, 403533448, 504416810, 1008833620, 2017667240]

約数ペア:

[(1, 2017667240), (2, 1008833620), (4, 504416810), (5, 403533448), (8, 252208405), (10, 201766724), (20, 100883362), (31, 65086040), (40, 50441681), (62, 32543020), (124, 16271510), (131, 15402040), (155, 13017208), (248, 8135755), (262, 7701020), (310, 6508604), (524, 3850510), (620, 3254302), (655, 3080408), (1048, 1925255), (1240, 1627151), (1310, 1540204), (2620, 770102), (4061, 496840), (5240, 385051), (8122, 248420), (12421, 162440), (16244, 124210), (20305, 99368), (24842, 81220), (32488, 62105), (40610, 49684)]