123039320

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{9293}}^1$

素因数の和:9635

約数の個数: 32

約数和(自身を含む): 277704720

約数和(自身を除く): 154665400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6620, 9293, 13240, 18586, 37172, 46465, 74344, 92930, 185860, 371720, 3075983, 6151966, 12303932, 15379915, 24607864, 30759830, 61519660, 123039320]

約数ペア:

[(1, 123039320), (2, 61519660), (4, 30759830), (5, 24607864), (8, 15379915), (10, 12303932), (20, 6151966), (40, 3075983), (331, 371720), (662, 185860), (1324, 92930), (1655, 74344), (2648, 46465), (3310, 37172), (6620, 18586), (9293, 13240)]