22540100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:717

約数の個数: 72

約数和(自身を含む): 55163136

約数和(自身を除く): 32623036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 100, 110, 124, 155, 220, 275, 310, 341, 550, 620, 661, 682, 775, 1100, 1322, 1364, 1550, 1705, 2644, 3100, 3305, 3410, 6610, 6820, 7271, 8525, 13220, 14542, 16525, 17050, 20491, 29084, 33050, 34100, 36355, 40982, 66100, 72710, 81964, 102455, 145420, 181775, 204910, 225401, 363550, 409820, 450802, 512275, 727100, 901604, 1024550, 1127005, 2049100, 2254010, 4508020, 5635025, 11270050, 22540100]

約数ペア:

[(1, 22540100), (2, 11270050), (4, 5635025), (5, 4508020), (10, 2254010), (11, 2049100), (20, 1127005), (22, 1024550), (25, 901604), (31, 727100), (44, 512275), (50, 450802), (55, 409820), (62, 363550), (100, 225401), (110, 204910), (124, 181775), (155, 145420), (220, 102455), (275, 81964), (310, 72710), (341, 66100), (550, 40982), (620, 36355), (661, 34100), (682, 33050), (775, 29084), (1100, 20491), (1322, 17050), (1364, 16525), (1550, 14542), (1705, 13220), (2644, 8525), (3100, 7271), (3305, 6820), (3410, 6610)]