163405840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3343}}^1$

素因数の和:3416

約数の個数: 80

約数和(自身を含む): 417973248

約数和(自身を除く): 254567408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 94, 104, 130, 188, 208, 235, 260, 376, 470, 520, 611, 752, 940, 1040, 1222, 1880, 2444, 3055, 3343, 3760, 4888, 6110, 6686, 9776, 12220, 13372, 16715, 24440, 26744, 33430, 43459, 48880, 53488, 66860, 86918, 133720, 157121, 173836, 217295, 267440, 314242, 347672, 434590, 628484, 695344, 785605, 869180, 1256968, 1571210, 1738360, 2042573, 2513936, 3142420, 3476720, 4085146, 6284840, 8170292, 10212865, 12569680, 16340584, 20425730, 32681168, 40851460, 81702920, 163405840]

約数ペア:

[(1, 163405840), (2, 81702920), (4, 40851460), (5, 32681168), (8, 20425730), (10, 16340584), (13, 12569680), (16, 10212865), (20, 8170292), (26, 6284840), (40, 4085146), (47, 3476720), (52, 3142420), (65, 2513936), (80, 2042573), (94, 1738360), (104, 1571210), (130, 1256968), (188, 869180), (208, 785605), (235, 695344), (260, 628484), (376, 434590), (470, 347672), (520, 314242), (611, 267440), (752, 217295), (940, 173836), (1040, 157121), (1222, 133720), (1880, 86918), (2444, 66860), (3055, 53488), (3343, 48880), (3760, 43459), (4888, 33430), (6110, 26744), (6686, 24440), (9776, 16715), (12220, 13372)]