40756690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:403

約数の個数: 64

約数和(自身を含む): 84623616

約数和(自身を除く): 43866926

約数列:

[1, 2, 5, 10, 13, 23, 26, 43, 46, 65, 86, 115, 130, 215, 230, 299, 317, 430, 559, 598, 634, 989, 1118, 1495, 1585, 1978, 2795, 2990, 3170, 4121, 4945, 5590, 7291, 8242, 9890, 12857, 13631, 14582, 20605, 25714, 27262, 36455, 41210, 64285, 68155, 72910, 94783, 128570, 136310, 177203, 189566, 313513, 354406, 473915, 627026, 886015, 947830, 1567565, 1772030, 3135130, 4075669, 8151338, 20378345, 40756690]

約数ペア:

[(1, 40756690), (2, 20378345), (5, 8151338), (10, 4075669), (13, 3135130), (23, 1772030), (26, 1567565), (43, 947830), (46, 886015), (65, 627026), (86, 473915), (115, 354406), (130, 313513), (215, 189566), (230, 177203), (299, 136310), (317, 128570), (430, 94783), (559, 72910), (598, 68155), (634, 64285), (989, 41210), (1118, 36455), (1495, 27262), (1585, 25714), (1978, 20605), (2795, 14582), (2990, 13631), (3170, 12857), (4121, 9890), (4945, 8242), (5590, 7291)]