80458468420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1877}}^1\times {\mathrm{17713}}^1$

素因数の和:19621

約数の個数: 72

約数和(自身を含む): 185828858712

約数和(自身を除く): 105370390292

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 1877, 2420, 3754, 7508, 9385, 17713, 18770, 20647, 35426, 37540, 41294, 70852, 82588, 88565, 103235, 177130, 194843, 206470, 227117, 354260, 389686, 412940, 454234, 779372, 908468, 974215, 1135585, 1948430, 2143273, 2271170, 3896860, 4286546, 4542340, 8573092, 10716365, 21432730, 33247301, 42865460, 66494602, 132989204, 166236505, 332473010, 365720311, 664946020, 731440622, 1462881244, 1828601555, 3657203110, 4022923421, 7314406220, 8045846842, 16091693684, 20114617105, 40229234210, 80458468420]

約数ペア:

[(1, 80458468420), (2, 40229234210), (4, 20114617105), (5, 16091693684), (10, 8045846842), (11, 7314406220), (20, 4022923421), (22, 3657203110), (44, 1828601555), (55, 1462881244), (110, 731440622), (121, 664946020), (220, 365720311), (242, 332473010), (484, 166236505), (605, 132989204), (1210, 66494602), (1877, 42865460), (2420, 33247301), (3754, 21432730), (7508, 10716365), (9385, 8573092), (17713, 4542340), (18770, 4286546), (20647, 3896860), (35426, 2271170), (37540, 2143273), (41294, 1948430), (70852, 1135585), (82588, 974215), (88565, 908468), (103235, 779372), (177130, 454234), (194843, 412940), (206470, 389686), (227117, 354260)]