85495040

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3929}}^1$

素因数の和:3967

約数の個数: 72

約数和(自身を含む): 216888840

約数和(自身を除く): 131393800

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, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 3929, 4352, 5440, 7858, 10880, 15716, 19645, 21760, 31432, 39290, 62864, 66793, 78580, 125728, 133586, 157160, 251456, 267172, 314320, 333965, 502912, 534344, 628640, 667930, 1005824, 1068688, 1257280, 1335860, 2137376, 2514560, 2671720, 4274752, 5029120, 5343440, 8549504, 10686880, 17099008, 21373760, 42747520, 85495040]

約数ペア:

[(1, 85495040), (2, 42747520), (4, 21373760), (5, 17099008), (8, 10686880), (10, 8549504), (16, 5343440), (17, 5029120), (20, 4274752), (32, 2671720), (34, 2514560), (40, 2137376), (64, 1335860), (68, 1257280), (80, 1068688), (85, 1005824), (128, 667930), (136, 628640), (160, 534344), (170, 502912), (256, 333965), (272, 314320), (320, 267172), (340, 251456), (544, 157160), (640, 133586), (680, 125728), (1088, 78580), (1280, 66793), (1360, 62864), (2176, 39290), (2720, 31432), (3929, 21760), (4352, 19645), (5440, 15716), (7858, 10880)]