164045440

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19717}}^1$

素因数の和:19749

約数の個数: 64

約数和(自身を含む): 422359560

約数和(自身を除く): 258314120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 19717, 39434, 78868, 98585, 157736, 197170, 256321, 315472, 394340, 512642, 630944, 788680, 1025284, 1261888, 1281605, 1577360, 2050568, 2523776, 2563210, 3154720, 4101136, 5126420, 6309440, 8202272, 10252840, 12618880, 16404544, 20505680, 32809088, 41011360, 82022720, 164045440]

約数ペア:

[(1, 164045440), (2, 82022720), (4, 41011360), (5, 32809088), (8, 20505680), (10, 16404544), (13, 12618880), (16, 10252840), (20, 8202272), (26, 6309440), (32, 5126420), (40, 4101136), (52, 3154720), (64, 2563210), (65, 2523776), (80, 2050568), (104, 1577360), (128, 1281605), (130, 1261888), (160, 1025284), (208, 788680), (260, 630944), (320, 512642), (416, 394340), (520, 315472), (640, 256321), (832, 197170), (1040, 157736), (1664, 98585), (2080, 78868), (4160, 39434), (8320, 19717)]