55291720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2371}}^1$

素因数の和:2446

約数の個数: 64

約数和(自身を含む): 138335040

約数和(自身を除く): 83043320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 106, 110, 212, 220, 265, 424, 440, 530, 583, 1060, 1166, 2120, 2332, 2371, 2915, 4664, 4742, 5830, 9484, 11660, 11855, 18968, 23320, 23710, 26081, 47420, 52162, 94840, 104324, 125663, 130405, 208648, 251326, 260810, 502652, 521620, 628315, 1005304, 1043240, 1256630, 1382293, 2513260, 2764586, 5026520, 5529172, 6911465, 11058344, 13822930, 27645860, 55291720]

約数ペア:

[(1, 55291720), (2, 27645860), (4, 13822930), (5, 11058344), (8, 6911465), (10, 5529172), (11, 5026520), (20, 2764586), (22, 2513260), (40, 1382293), (44, 1256630), (53, 1043240), (55, 1005304), (88, 628315), (106, 521620), (110, 502652), (212, 260810), (220, 251326), (265, 208648), (424, 130405), (440, 125663), (530, 104324), (583, 94840), (1060, 52162), (1166, 47420), (2120, 26081), (2332, 23710), (2371, 23320), (2915, 18968), (4664, 11855), (4742, 11660), (5830, 9484)]