7280780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{683}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 16892064

約数和(自身を除く): 9611284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 683, 820, 1066, 1366, 2132, 2665, 2732, 3415, 5330, 6830, 8879, 10660, 13660, 17758, 28003, 35516, 44395, 56006, 88790, 112012, 140015, 177580, 280030, 364039, 560060, 728078, 1456156, 1820195, 3640390, 7280780]

約数ペア:

[(1, 7280780), (2, 3640390), (4, 1820195), (5, 1456156), (10, 728078), (13, 560060), (20, 364039), (26, 280030), (41, 177580), (52, 140015), (65, 112012), (82, 88790), (130, 56006), (164, 44395), (205, 35516), (260, 28003), (410, 17758), (533, 13660), (683, 10660), (820, 8879), (1066, 6830), (1366, 5330), (2132, 3415), (2665, 2732)]