81260650

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{229}}^1$

素因数の和:439

約数の個数: 48

約数和(自身を含む): 156061440

約数和(自身を除く): 74800790

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 151, 229, 235, 302, 458, 470, 755, 1145, 1175, 1510, 2290, 2350, 3775, 5725, 7097, 7550, 10763, 11450, 14194, 21526, 34579, 35485, 53815, 69158, 70970, 107630, 172895, 177425, 269075, 345790, 354850, 538150, 864475, 1625213, 1728950, 3250426, 8126065, 16252130, 40630325, 81260650]

約数ペア:

[(1, 81260650), (2, 40630325), (5, 16252130), (10, 8126065), (25, 3250426), (47, 1728950), (50, 1625213), (94, 864475), (151, 538150), (229, 354850), (235, 345790), (302, 269075), (458, 177425), (470, 172895), (755, 107630), (1145, 70970), (1175, 69158), (1510, 53815), (2290, 35485), (2350, 34579), (3775, 21526), (5725, 14194), (7097, 11450), (7550, 10763)]