80239280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4799}}^1$

素因数の和:4842

約数の個数: 80

約数和(自身を含む): 214272000

約数和(自身を除く): 134032720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 4799, 8360, 9598, 16720, 19196, 23995, 38392, 47990, 52789, 76784, 91181, 95980, 105578, 182362, 191960, 211156, 263945, 364724, 383920, 422312, 455905, 527890, 729448, 844624, 911810, 1002991, 1055780, 1458896, 1823620, 2005982, 2111560, 3647240, 4011964, 4223120, 5014955, 7294480, 8023928, 10029910, 16047856, 20059820, 40119640, 80239280]

約数ペア:

[(1, 80239280), (2, 40119640), (4, 20059820), (5, 16047856), (8, 10029910), (10, 8023928), (11, 7294480), (16, 5014955), (19, 4223120), (20, 4011964), (22, 3647240), (38, 2111560), (40, 2005982), (44, 1823620), (55, 1458896), (76, 1055780), (80, 1002991), (88, 911810), (95, 844624), (110, 729448), (152, 527890), (176, 455905), (190, 422312), (209, 383920), (220, 364724), (304, 263945), (380, 211156), (418, 191960), (440, 182362), (760, 105578), (836, 95980), (880, 91181), (1045, 76784), (1520, 52789), (1672, 47990), (2090, 38392), (3344, 23995), (4180, 19196), (4799, 16720), (8360, 9598)]