2436640

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:269

約数の個数: 48

約数和(自身を含む): 5852952

約数和(自身を除く): 3416312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 157, 160, 194, 314, 388, 485, 628, 776, 785, 970, 1256, 1552, 1570, 1940, 2512, 3104, 3140, 3880, 5024, 6280, 7760, 12560, 15229, 15520, 25120, 30458, 60916, 76145, 121832, 152290, 243664, 304580, 487328, 609160, 1218320, 2436640]

約数ペア:

[(1, 2436640), (2, 1218320), (4, 609160), (5, 487328), (8, 304580), (10, 243664), (16, 152290), (20, 121832), (32, 76145), (40, 60916), (80, 30458), (97, 25120), (157, 15520), (160, 15229), (194, 12560), (314, 7760), (388, 6280), (485, 5024), (628, 3880), (776, 3140), (785, 3104), (970, 2512), (1256, 1940), (1552, 1570)]