2577762280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{8663}}^1$

素因数の和:8890

約数の個数: 64

約数和(自身を含む): 5969842560

約数和(自身を除く): 3392080280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 173, 215, 344, 346, 430, 692, 860, 865, 1384, 1720, 1730, 3460, 6920, 7439, 8663, 14878, 17326, 29756, 34652, 37195, 43315, 59512, 69304, 74390, 86630, 148780, 173260, 297560, 346520, 372509, 745018, 1490036, 1498699, 1862545, 2980072, 2997398, 3725090, 5994796, 7450180, 7493495, 11989592, 14900360, 14986990, 29973980, 59947960, 64444057, 128888114, 257776228, 322220285, 515552456, 644440570, 1288881140, 2577762280]

約数ペア:

[(1, 2577762280), (2, 1288881140), (4, 644440570), (5, 515552456), (8, 322220285), (10, 257776228), (20, 128888114), (40, 64444057), (43, 59947960), (86, 29973980), (172, 14986990), (173, 14900360), (215, 11989592), (344, 7493495), (346, 7450180), (430, 5994796), (692, 3725090), (860, 2997398), (865, 2980072), (1384, 1862545), (1720, 1498699), (1730, 1490036), (3460, 745018), (6920, 372509), (7439, 346520), (8663, 297560), (14878, 173260), (17326, 148780), (29756, 86630), (34652, 74390), (37195, 69304), (43315, 59512)]