129032020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:317

約数の個数: 96

約数和(自身を含む): 306583200

約数和(自身を除く): 177551180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 109, 116, 130, 145, 157, 218, 260, 290, 314, 377, 436, 545, 580, 628, 754, 785, 1090, 1417, 1508, 1570, 1885, 2041, 2180, 2834, 3140, 3161, 3770, 4082, 4553, 5668, 6322, 7085, 7540, 8164, 9106, 10205, 12644, 14170, 15805, 17113, 18212, 20410, 22765, 28340, 31610, 34226, 40820, 41093, 45530, 59189, 63220, 68452, 82186, 85565, 91060, 118378, 164372, 171130, 205465, 222469, 236756, 295945, 342260, 410930, 444938, 496277, 591890, 821860, 889876, 992554, 1112345, 1183780, 1985108, 2224690, 2481385, 4449380, 4962770, 6451601, 9925540, 12903202, 25806404, 32258005, 64516010, 129032020]

約数ペア:

[(1, 129032020), (2, 64516010), (4, 32258005), (5, 25806404), (10, 12903202), (13, 9925540), (20, 6451601), (26, 4962770), (29, 4449380), (52, 2481385), (58, 2224690), (65, 1985108), (109, 1183780), (116, 1112345), (130, 992554), (145, 889876), (157, 821860), (218, 591890), (260, 496277), (290, 444938), (314, 410930), (377, 342260), (436, 295945), (545, 236756), (580, 222469), (628, 205465), (754, 171130), (785, 164372), (1090, 118378), (1417, 91060), (1508, 85565), (1570, 82186), (1885, 68452), (2041, 63220), (2180, 59189), (2834, 45530), (3140, 41093), (3161, 40820), (3770, 34226), (4082, 31610), (4553, 28340), (5668, 22765), (6322, 20410), (7085, 18212), (7540, 17113), (8164, 15805), (9106, 14170), (10205, 12644)]