40125440

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1$

素因数の和:503

約数の個数: 88

約数和(自身を含む): 102137112

約数和(自身を除く): 62011672

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 461, 512, 544, 640, 680, 922, 1024, 1088, 1280, 1360, 1844, 2176, 2305, 2560, 2720, 3688, 4352, 4610, 5120, 5440, 7376, 7837, 8704, 9220, 10880, 14752, 15674, 17408, 18440, 21760, 29504, 31348, 36880, 39185, 43520, 59008, 62696, 73760, 78370, 87040, 118016, 125392, 147520, 156740, 236032, 250784, 295040, 313480, 472064, 501568, 590080, 626960, 1003136, 1180160, 1253920, 2006272, 2360320, 2507840, 4012544, 5015680, 8025088, 10031360, 20062720, 40125440]

約数ペア:

[(1, 40125440), (2, 20062720), (4, 10031360), (5, 8025088), (8, 5015680), (10, 4012544), (16, 2507840), (17, 2360320), (20, 2006272), (32, 1253920), (34, 1180160), (40, 1003136), (64, 626960), (68, 590080), (80, 501568), (85, 472064), (128, 313480), (136, 295040), (160, 250784), (170, 236032), (256, 156740), (272, 147520), (320, 125392), (340, 118016), (461, 87040), (512, 78370), (544, 73760), (640, 62696), (680, 59008), (922, 43520), (1024, 39185), (1088, 36880), (1280, 31348), (1360, 29504), (1844, 21760), (2176, 18440), (2305, 17408), (2560, 15674), (2720, 14752), (3688, 10880), (4352, 9220), (4610, 8704), (5120, 7837), (5440, 7376)]