40675960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 108864000

約数和(自身を除く): 68188040

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 23, 26, 38, 40, 46, 52, 65, 76, 92, 95, 104, 115, 130, 152, 179, 184, 190, 230, 247, 260, 299, 358, 380, 437, 460, 494, 520, 598, 716, 760, 874, 895, 920, 988, 1196, 1235, 1432, 1495, 1748, 1790, 1976, 2185, 2327, 2392, 2470, 2990, 3401, 3496, 3580, 4117, 4370, 4654, 4940, 5681, 5980, 6802, 7160, 8234, 8740, 9308, 9880, 11362, 11635, 11960, 13604, 16468, 17005, 17480, 18616, 20585, 22724, 23270, 27208, 28405, 32936, 34010, 41170, 44213, 45448, 46540, 53521, 56810, 68020, 78223, 82340, 88426, 93080, 107042, 113620, 136040, 156446, 164680, 176852, 214084, 221065, 227240, 267605, 312892, 353704, 391115, 428168, 442130, 535210, 625784, 782230, 884260, 1016899, 1070420, 1564460, 1768520, 2033798, 2140840, 3128920, 4067596, 5084495, 8135192, 10168990, 20337980, 40675960]

約数ペア:

[(1, 40675960), (2, 20337980), (4, 10168990), (5, 8135192), (8, 5084495), (10, 4067596), (13, 3128920), (19, 2140840), (20, 2033798), (23, 1768520), (26, 1564460), (38, 1070420), (40, 1016899), (46, 884260), (52, 782230), (65, 625784), (76, 535210), (92, 442130), (95, 428168), (104, 391115), (115, 353704), (130, 312892), (152, 267605), (179, 227240), (184, 221065), (190, 214084), (230, 176852), (247, 164680), (260, 156446), (299, 136040), (358, 113620), (380, 107042), (437, 93080), (460, 88426), (494, 82340), (520, 78223), (598, 68020), (716, 56810), (760, 53521), (874, 46540), (895, 45448), (920, 44213), (988, 41170), (1196, 34010), (1235, 32936), (1432, 28405), (1495, 27208), (1748, 23270), (1790, 22724), (1976, 20585), (2185, 18616), (2327, 17480), (2392, 17005), (2470, 16468), (2990, 13604), (3401, 11960), (3496, 11635), (3580, 11362), (4117, 9880), (4370, 9308), (4654, 8740), (4940, 8234), (5681, 7160), (5980, 6802)]