108732520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{991}}^1$

素因数の和:1226

約数の個数: 64

約数和(自身を含む): 264983040

約数和(自身を除く): 156250520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 211, 260, 422, 520, 844, 991, 1055, 1688, 1982, 2110, 2743, 3964, 4220, 4955, 5486, 7928, 8440, 9910, 10972, 12883, 13715, 19820, 21944, 25766, 27430, 39640, 51532, 54860, 64415, 103064, 109720, 128830, 209101, 257660, 418202, 515320, 836404, 1045505, 1672808, 2091010, 2718313, 4182020, 5436626, 8364040, 10873252, 13591565, 21746504, 27183130, 54366260, 108732520]

約数ペア:

[(1, 108732520), (2, 54366260), (4, 27183130), (5, 21746504), (8, 13591565), (10, 10873252), (13, 8364040), (20, 5436626), (26, 4182020), (40, 2718313), (52, 2091010), (65, 1672808), (104, 1045505), (130, 836404), (211, 515320), (260, 418202), (422, 257660), (520, 209101), (844, 128830), (991, 109720), (1055, 103064), (1688, 64415), (1982, 54860), (2110, 51532), (2743, 39640), (3964, 27430), (4220, 25766), (4955, 21944), (5486, 19820), (7928, 13715), (8440, 12883), (9910, 10972)]