39130820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{331}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 86341248

約数和(自身を除く): 47210428

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 257, 331, 460, 514, 662, 1028, 1285, 1324, 1655, 2570, 3310, 5140, 5911, 6620, 7613, 11822, 15226, 23644, 29555, 30452, 38065, 59110, 76130, 85067, 118220, 152260, 170134, 340268, 425335, 850670, 1701340, 1956541, 3913082, 7826164, 9782705, 19565410, 39130820]

約数ペア:

[(1, 39130820), (2, 19565410), (4, 9782705), (5, 7826164), (10, 3913082), (20, 1956541), (23, 1701340), (46, 850670), (92, 425335), (115, 340268), (230, 170134), (257, 152260), (331, 118220), (460, 85067), (514, 76130), (662, 59110), (1028, 38065), (1285, 30452), (1324, 29555), (1655, 23644), (2570, 15226), (3310, 11822), (5140, 7613), (5911, 6620)]