2039840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:106

約数の個数: 96

約数和(自身を含む): 5624640

約数和(自身を除く): 3584800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 61, 76, 80, 88, 95, 110, 122, 152, 160, 176, 190, 209, 220, 244, 304, 305, 352, 380, 418, 440, 488, 608, 610, 671, 760, 836, 880, 976, 1045, 1159, 1220, 1342, 1520, 1672, 1760, 1952, 2090, 2318, 2440, 2684, 3040, 3344, 3355, 4180, 4636, 4880, 5368, 5795, 6688, 6710, 8360, 9272, 9760, 10736, 11590, 12749, 13420, 16720, 18544, 21472, 23180, 25498, 26840, 33440, 37088, 46360, 50996, 53680, 63745, 92720, 101992, 107360, 127490, 185440, 203984, 254980, 407968, 509960, 1019920, 2039840]

約数ペア:

[(1, 2039840), (2, 1019920), (4, 509960), (5, 407968), (8, 254980), (10, 203984), (11, 185440), (16, 127490), (19, 107360), (20, 101992), (22, 92720), (32, 63745), (38, 53680), (40, 50996), (44, 46360), (55, 37088), (61, 33440), (76, 26840), (80, 25498), (88, 23180), (95, 21472), (110, 18544), (122, 16720), (152, 13420), (160, 12749), (176, 11590), (190, 10736), (209, 9760), (220, 9272), (244, 8360), (304, 6710), (305, 6688), (352, 5795), (380, 5368), (418, 4880), (440, 4636), (488, 4180), (608, 3355), (610, 3344), (671, 3040), (760, 2684), (836, 2440), (880, 2318), (976, 2090), (1045, 1952), (1159, 1760), (1220, 1672), (1342, 1520)]