25131700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:134

約数の個数: 108

約数和(自身を含む): 62801536

約数和(自身を除く): 37669836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 67, 100, 110, 121, 124, 134, 155, 220, 242, 268, 275, 310, 335, 341, 484, 550, 605, 620, 670, 682, 737, 775, 1100, 1210, 1340, 1364, 1474, 1550, 1675, 1705, 2077, 2420, 2948, 3025, 3100, 3350, 3410, 3685, 3751, 4154, 6050, 6700, 6820, 7370, 7502, 8107, 8308, 8525, 10385, 12100, 14740, 15004, 16214, 17050, 18425, 18755, 20770, 22847, 32428, 34100, 36850, 37510, 40535, 41540, 45694, 51925, 73700, 75020, 81070, 91388, 93775, 103850, 114235, 162140, 187550, 202675, 207700, 228470, 251317, 375100, 405350, 456940, 502634, 571175, 810700, 1005268, 1142350, 1256585, 2284700, 2513170, 5026340, 6282925, 12565850, 25131700]

約数ペア:

[(1, 25131700), (2, 12565850), (4, 6282925), (5, 5026340), (10, 2513170), (11, 2284700), (20, 1256585), (22, 1142350), (25, 1005268), (31, 810700), (44, 571175), (50, 502634), (55, 456940), (62, 405350), (67, 375100), (100, 251317), (110, 228470), (121, 207700), (124, 202675), (134, 187550), (155, 162140), (220, 114235), (242, 103850), (268, 93775), (275, 91388), (310, 81070), (335, 75020), (341, 73700), (484, 51925), (550, 45694), (605, 41540), (620, 40535), (670, 37510), (682, 36850), (737, 34100), (775, 32428), (1100, 22847), (1210, 20770), (1340, 18755), (1364, 18425), (1474, 17050), (1550, 16214), (1675, 15004), (1705, 14740), (2077, 12100), (2420, 10385), (2948, 8525), (3025, 8308), (3100, 8107), (3350, 7502), (3410, 7370), (3685, 6820), (3751, 6700), (4154, 6050)]