1640697410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{15817}}^1$

素因数の和:15899

約数の個数: 64

約数和(自身を含む): 3444021504

約数和(自身を除く): 1803324094

約数列:

[1, 2, 5, 10, 11, 22, 23, 41, 46, 55, 82, 110, 115, 205, 230, 253, 410, 451, 506, 902, 943, 1265, 1886, 2255, 2530, 4510, 4715, 9430, 10373, 15817, 20746, 31634, 51865, 79085, 103730, 158170, 173987, 347974, 363791, 648497, 727582, 869935, 1296994, 1739870, 1818955, 3242485, 3637910, 4001701, 6484970, 7133467, 8003402, 14266934, 14915431, 20008505, 29830862, 35667335, 40017010, 71334670, 74577155, 149154310, 164069741, 328139482, 820348705, 1640697410]

約数ペア:

[(1, 1640697410), (2, 820348705), (5, 328139482), (10, 164069741), (11, 149154310), (22, 74577155), (23, 71334670), (41, 40017010), (46, 35667335), (55, 29830862), (82, 20008505), (110, 14915431), (115, 14266934), (205, 8003402), (230, 7133467), (253, 6484970), (410, 4001701), (451, 3637910), (506, 3242485), (902, 1818955), (943, 1739870), (1265, 1296994), (1886, 869935), (2255, 727582), (2530, 648497), (4510, 363791), (4715, 347974), (9430, 173987), (10373, 158170), (15817, 103730), (20746, 79085), (31634, 51865)]