828167960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{4261}}^1$

素因数の和:4428

約数の個数: 64

約数和(自身を含む): 1924037280

約数和(自身を除く): 1095869320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 113, 172, 215, 226, 344, 430, 452, 565, 860, 904, 1130, 1720, 2260, 4261, 4520, 4859, 8522, 9718, 17044, 19436, 21305, 24295, 34088, 38872, 42610, 48590, 85220, 97180, 170440, 183223, 194360, 366446, 481493, 732892, 916115, 962986, 1465784, 1832230, 1925972, 2407465, 3664460, 3851944, 4814930, 7328920, 9629860, 19259720, 20704199, 41408398, 82816796, 103520995, 165633592, 207041990, 414083980, 828167960]

約数ペア:

[(1, 828167960), (2, 414083980), (4, 207041990), (5, 165633592), (8, 103520995), (10, 82816796), (20, 41408398), (40, 20704199), (43, 19259720), (86, 9629860), (113, 7328920), (172, 4814930), (215, 3851944), (226, 3664460), (344, 2407465), (430, 1925972), (452, 1832230), (565, 1465784), (860, 962986), (904, 916115), (1130, 732892), (1720, 481493), (2260, 366446), (4261, 194360), (4520, 183223), (4859, 170440), (8522, 97180), (9718, 85220), (17044, 48590), (19436, 42610), (21305, 38872), (24295, 34088)]