25216980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{307}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 72803808

約数和(自身を除く): 47586828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 307, 370, 444, 555, 614, 740, 921, 1110, 1228, 1369, 1535, 1842, 2220, 2738, 3070, 3684, 4107, 4605, 5476, 6140, 6845, 8214, 9210, 11359, 13690, 16428, 18420, 20535, 22718, 27380, 34077, 41070, 45436, 56795, 68154, 82140, 113590, 136308, 170385, 227180, 340770, 420283, 681540, 840566, 1260849, 1681132, 2101415, 2521698, 4202830, 5043396, 6304245, 8405660, 12608490, 25216980]

約数ペア:

[(1, 25216980), (2, 12608490), (3, 8405660), (4, 6304245), (5, 5043396), (6, 4202830), (10, 2521698), (12, 2101415), (15, 1681132), (20, 1260849), (30, 840566), (37, 681540), (60, 420283), (74, 340770), (111, 227180), (148, 170385), (185, 136308), (222, 113590), (307, 82140), (370, 68154), (444, 56795), (555, 45436), (614, 41070), (740, 34077), (921, 27380), (1110, 22718), (1228, 20535), (1369, 18420), (1535, 16428), (1842, 13690), (2220, 11359), (2738, 9210), (3070, 8214), (3684, 6845), (4107, 6140), (4605, 5476)]