8155628020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{1823}}^1$

素因数の和:2105

約数の個数: 96

約数和(自身を含む): 18428820480

約数和(自身を除く): 10273192460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 193, 244, 305, 380, 386, 610, 772, 965, 1159, 1220, 1823, 1930, 2318, 3646, 3667, 3860, 4636, 5795, 7292, 7334, 9115, 11590, 11773, 14668, 18230, 18335, 23180, 23546, 34637, 36460, 36670, 47092, 58865, 69274, 73340, 111203, 117730, 138548, 173185, 222406, 223687, 235460, 346370, 351839, 444812, 447374, 556015, 692740, 703678, 894748, 1112030, 1118435, 1407356, 1759195, 2112857, 2224060, 2236870, 3518390, 4225714, 4473740, 6684941, 7036780, 8451428, 10564285, 13369882, 21128570, 21462179, 26739764, 33424705, 42257140, 42924358, 66849410, 85848716, 107310895, 133698820, 214621790, 407781401, 429243580, 815562802, 1631125604, 2038907005, 4077814010, 8155628020]

約数ペア:

[(1, 8155628020), (2, 4077814010), (4, 2038907005), (5, 1631125604), (10, 815562802), (19, 429243580), (20, 407781401), (38, 214621790), (61, 133698820), (76, 107310895), (95, 85848716), (122, 66849410), (190, 42924358), (193, 42257140), (244, 33424705), (305, 26739764), (380, 21462179), (386, 21128570), (610, 13369882), (772, 10564285), (965, 8451428), (1159, 7036780), (1220, 6684941), (1823, 4473740), (1930, 4225714), (2318, 3518390), (3646, 2236870), (3667, 2224060), (3860, 2112857), (4636, 1759195), (5795, 1407356), (7292, 1118435), (7334, 1112030), (9115, 894748), (11590, 703678), (11773, 692740), (14668, 556015), (18230, 447374), (18335, 444812), (23180, 351839), (23546, 346370), (34637, 235460), (36460, 223687), (36670, 222406), (47092, 173185), (58865, 138548), (69274, 117730), (73340, 111203)]