12948040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{353}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 33644160

約数和(自身を除く): 20696120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 353, 524, 655, 706, 917, 1048, 1310, 1412, 1765, 1834, 2471, 2620, 2824, 3530, 3668, 4585, 4942, 5240, 7060, 7336, 9170, 9884, 12355, 14120, 18340, 19768, 24710, 36680, 46243, 49420, 92486, 98840, 184972, 231215, 323701, 369944, 462430, 647402, 924860, 1294804, 1618505, 1849720, 2589608, 3237010, 6474020, 12948040]

約数ペア:

[(1, 12948040), (2, 6474020), (4, 3237010), (5, 2589608), (7, 1849720), (8, 1618505), (10, 1294804), (14, 924860), (20, 647402), (28, 462430), (35, 369944), (40, 323701), (56, 231215), (70, 184972), (131, 98840), (140, 92486), (262, 49420), (280, 46243), (353, 36680), (524, 24710), (655, 19768), (706, 18340), (917, 14120), (1048, 12355), (1310, 9884), (1412, 9170), (1765, 7336), (1834, 7060), (2471, 5240), (2620, 4942), (2824, 4585), (3530, 3668)]