39885560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:421

約数の個数: 128

約数和(自身を含む): 111283200

約数和(自身を除く): 71397640

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 76, 88, 95, 104, 110, 130, 143, 152, 190, 209, 220, 247, 260, 286, 367, 380, 418, 440, 494, 520, 572, 715, 734, 760, 836, 988, 1045, 1144, 1235, 1430, 1468, 1672, 1835, 1976, 2090, 2470, 2717, 2860, 2936, 3670, 4037, 4180, 4771, 4940, 5434, 5720, 6973, 7340, 8074, 8360, 9542, 9880, 10868, 13585, 13946, 14680, 16148, 19084, 20185, 21736, 23855, 27170, 27892, 32296, 34865, 38168, 40370, 47710, 52481, 54340, 55784, 69730, 76703, 80740, 90649, 95420, 104962, 108680, 139460, 153406, 161480, 181298, 190840, 209924, 262405, 278920, 306812, 362596, 383515, 419848, 453245, 524810, 613624, 725192, 767030, 906490, 997139, 1049620, 1534060, 1812980, 1994278, 2099240, 3068120, 3625960, 3988556, 4985695, 7977112, 9971390, 19942780, 39885560]

約数ペア:

[(1, 39885560), (2, 19942780), (4, 9971390), (5, 7977112), (8, 4985695), (10, 3988556), (11, 3625960), (13, 3068120), (19, 2099240), (20, 1994278), (22, 1812980), (26, 1534060), (38, 1049620), (40, 997139), (44, 906490), (52, 767030), (55, 725192), (65, 613624), (76, 524810), (88, 453245), (95, 419848), (104, 383515), (110, 362596), (130, 306812), (143, 278920), (152, 262405), (190, 209924), (209, 190840), (220, 181298), (247, 161480), (260, 153406), (286, 139460), (367, 108680), (380, 104962), (418, 95420), (440, 90649), (494, 80740), (520, 76703), (572, 69730), (715, 55784), (734, 54340), (760, 52481), (836, 47710), (988, 40370), (1045, 38168), (1144, 34865), (1235, 32296), (1430, 27892), (1468, 27170), (1672, 23855), (1835, 21736), (1976, 20185), (2090, 19084), (2470, 16148), (2717, 14680), (2860, 13946), (2936, 13585), (3670, 10868), (4037, 9880), (4180, 9542), (4771, 8360), (4940, 8074), (5434, 7340), (5720, 6973)]