2808520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:526

約数の個数: 64

約数和(自身を含む): 7439040

約数和(自身を除く): 4630520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 491, 520, 572, 715, 982, 1144, 1430, 1964, 2455, 2860, 3928, 4910, 5401, 5720, 6383, 9820, 10802, 12766, 19640, 21604, 25532, 27005, 31915, 43208, 51064, 54010, 63830, 70213, 108020, 127660, 140426, 216040, 255320, 280852, 351065, 561704, 702130, 1404260, 2808520]

約数ペア:

[(1, 2808520), (2, 1404260), (4, 702130), (5, 561704), (8, 351065), (10, 280852), (11, 255320), (13, 216040), (20, 140426), (22, 127660), (26, 108020), (40, 70213), (44, 63830), (52, 54010), (55, 51064), (65, 43208), (88, 31915), (104, 27005), (110, 25532), (130, 21604), (143, 19640), (220, 12766), (260, 10802), (286, 9820), (440, 6383), (491, 5720), (520, 5401), (572, 4910), (715, 3928), (982, 2860), (1144, 2455), (1430, 1964)]