261090080

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{95989}}^1$

素因数の和:96021

約数の個数: 48

約数和(自身を含む): 653115960

約数和(自身を除く): 392025880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 95989, 191978, 383956, 479945, 767912, 959890, 1535824, 1631813, 1919780, 3071648, 3263626, 3839560, 6527252, 7679120, 8159065, 13054504, 15358240, 16318130, 26109008, 32636260, 52218016, 65272520, 130545040, 261090080]

約数ペア:

[(1, 261090080), (2, 130545040), (4, 65272520), (5, 52218016), (8, 32636260), (10, 26109008), (16, 16318130), (17, 15358240), (20, 13054504), (32, 8159065), (34, 7679120), (40, 6527252), (68, 3839560), (80, 3263626), (85, 3071648), (136, 1919780), (160, 1631813), (170, 1535824), (272, 959890), (340, 767912), (544, 479945), (680, 383956), (1360, 191978), (2720, 95989)]