155964520

素因数分解:

$2^3\times 5^1\times {\mathrm{1667}}^1\times {\mathrm{2339}}^1$

素因数の和:4017

約数の個数: 32

約数和(自身を含む): 351280800

約数和(自身を除く): 195316280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1667, 2339, 3334, 4678, 6668, 8335, 9356, 11695, 13336, 16670, 18712, 23390, 33340, 46780, 66680, 93560, 3899113, 7798226, 15596452, 19495565, 31192904, 38991130, 77982260, 155964520]

約数ペア:

[(1, 155964520), (2, 77982260), (4, 38991130), (5, 31192904), (8, 19495565), (10, 15596452), (20, 7798226), (40, 3899113), (1667, 93560), (2339, 66680), (3334, 46780), (4678, 33340), (6668, 23390), (8335, 18712), (9356, 16670), (11695, 13336)]