39921440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1129}}^1$

素因数の和:1174

約数の個数: 96

約数和(自身を含む): 107639280

約数和(自身を除く): 67717840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 340, 416, 442, 520, 544, 680, 884, 1040, 1105, 1129, 1360, 1768, 2080, 2210, 2258, 2720, 3536, 4420, 4516, 5645, 7072, 8840, 9032, 11290, 14677, 17680, 18064, 19193, 22580, 29354, 35360, 36128, 38386, 45160, 58708, 73385, 76772, 90320, 95965, 117416, 146770, 153544, 180640, 191930, 234832, 249509, 293540, 307088, 383860, 469664, 499018, 587080, 614176, 767720, 998036, 1174160, 1247545, 1535440, 1996072, 2348320, 2495090, 3070880, 3992144, 4990180, 7984288, 9980360, 19960720, 39921440]

約数ペア:

[(1, 39921440), (2, 19960720), (4, 9980360), (5, 7984288), (8, 4990180), (10, 3992144), (13, 3070880), (16, 2495090), (17, 2348320), (20, 1996072), (26, 1535440), (32, 1247545), (34, 1174160), (40, 998036), (52, 767720), (65, 614176), (68, 587080), (80, 499018), (85, 469664), (104, 383860), (130, 307088), (136, 293540), (160, 249509), (170, 234832), (208, 191930), (221, 180640), (260, 153544), (272, 146770), (340, 117416), (416, 95965), (442, 90320), (520, 76772), (544, 73385), (680, 58708), (884, 45160), (1040, 38386), (1105, 36128), (1129, 35360), (1360, 29354), (1768, 22580), (2080, 19193), (2210, 18064), (2258, 17680), (2720, 14677), (3536, 11290), (4420, 9032), (4516, 8840), (5645, 7072)]