85221760

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10243}}^1$

素因数の和:10275

約数の個数: 64

約数和(自身を含む): 219426480

約数和(自身を除く): 134204720

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, 10243, 20486, 40972, 51215, 81944, 102430, 133159, 163888, 204860, 266318, 327776, 409720, 532636, 655552, 665795, 819440, 1065272, 1311104, 1331590, 1638880, 2130544, 2663180, 3277760, 4261088, 5326360, 6555520, 8522176, 10652720, 17044352, 21305440, 42610880, 85221760]

約数ペア:

[(1, 85221760), (2, 42610880), (4, 21305440), (5, 17044352), (8, 10652720), (10, 8522176), (13, 6555520), (16, 5326360), (20, 4261088), (26, 3277760), (32, 2663180), (40, 2130544), (52, 1638880), (64, 1331590), (65, 1311104), (80, 1065272), (104, 819440), (128, 665795), (130, 655552), (160, 532636), (208, 409720), (260, 327776), (320, 266318), (416, 204860), (520, 163888), (640, 133159), (832, 102430), (1040, 81944), (1664, 51215), (2080, 40972), (4160, 20486), (8320, 10243)]