81194260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{1153}}^1$

素因数の和:1672

約数の個数: 48

約数和(自身を含む): 195422976

約数和(自身を除く): 114228716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 503, 1006, 1153, 2012, 2306, 2515, 3521, 4612, 5030, 5765, 7042, 8071, 10060, 11530, 14084, 16142, 17605, 23060, 32284, 35210, 40355, 70420, 80710, 161420, 579959, 1159918, 2319836, 2899795, 4059713, 5799590, 8119426, 11599180, 16238852, 20298565, 40597130, 81194260]

約数ペア:

[(1, 81194260), (2, 40597130), (4, 20298565), (5, 16238852), (7, 11599180), (10, 8119426), (14, 5799590), (20, 4059713), (28, 2899795), (35, 2319836), (70, 1159918), (140, 579959), (503, 161420), (1006, 80710), (1153, 70420), (2012, 40355), (2306, 35210), (2515, 32284), (3521, 23060), (4612, 17605), (5030, 16142), (5765, 14084), (7042, 11530), (8071, 10060)]