68170700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1279}}^1$

素因数の和:1347

約数の個数: 72

約数和(自身を含む): 163322880

約数和(自身を除く): 95152180

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 41, 50, 52, 65, 82, 100, 130, 164, 205, 260, 325, 410, 533, 650, 820, 1025, 1066, 1279, 1300, 2050, 2132, 2558, 2665, 4100, 5116, 5330, 6395, 10660, 12790, 13325, 16627, 25580, 26650, 31975, 33254, 52439, 53300, 63950, 66508, 83135, 104878, 127900, 166270, 209756, 262195, 332540, 415675, 524390, 681707, 831350, 1048780, 1310975, 1363414, 1662700, 2621950, 2726828, 3408535, 5243900, 6817070, 13634140, 17042675, 34085350, 68170700]

約数ペア:

[(1, 68170700), (2, 34085350), (4, 17042675), (5, 13634140), (10, 6817070), (13, 5243900), (20, 3408535), (25, 2726828), (26, 2621950), (41, 1662700), (50, 1363414), (52, 1310975), (65, 1048780), (82, 831350), (100, 681707), (130, 524390), (164, 415675), (205, 332540), (260, 262195), (325, 209756), (410, 166270), (533, 127900), (650, 104878), (820, 83135), (1025, 66508), (1066, 63950), (1279, 53300), (1300, 52439), (2050, 33254), (2132, 31975), (2558, 26650), (2665, 25580), (4100, 16627), (5116, 13325), (5330, 12790), (6395, 10660)]