8163100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 19904976

約数和(自身を除く): 11741876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 164, 181, 205, 220, 275, 362, 410, 451, 550, 724, 820, 902, 905, 1025, 1100, 1804, 1810, 1991, 2050, 2255, 3620, 3982, 4100, 4510, 4525, 7421, 7964, 9020, 9050, 9955, 11275, 14842, 18100, 19910, 22550, 29684, 37105, 39820, 45100, 49775, 74210, 81631, 99550, 148420, 163262, 185525, 199100, 326524, 371050, 408155, 742100, 816310, 1632620, 2040775, 4081550, 8163100]

約数ペア:

[(1, 8163100), (2, 4081550), (4, 2040775), (5, 1632620), (10, 816310), (11, 742100), (20, 408155), (22, 371050), (25, 326524), (41, 199100), (44, 185525), (50, 163262), (55, 148420), (82, 99550), (100, 81631), (110, 74210), (164, 49775), (181, 45100), (205, 39820), (220, 37105), (275, 29684), (362, 22550), (410, 19910), (451, 18100), (550, 14842), (724, 11275), (820, 9955), (902, 9050), (905, 9020), (1025, 7964), (1100, 7421), (1804, 4525), (1810, 4510), (1991, 4100), (2050, 3982), (2255, 3620)]