51539800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:533

約数の個数: 96

約数和(自身を含む): 132335280

約数和(自身を除く): 80795480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 43, 50, 52, 65, 86, 100, 104, 130, 172, 200, 215, 260, 325, 344, 430, 461, 520, 559, 650, 860, 922, 1075, 1118, 1300, 1720, 1844, 2150, 2236, 2305, 2600, 2795, 3688, 4300, 4472, 4610, 5590, 5993, 8600, 9220, 11180, 11525, 11986, 13975, 18440, 19823, 22360, 23050, 23972, 27950, 29965, 39646, 46100, 47944, 55900, 59930, 79292, 92200, 99115, 111800, 119860, 149825, 158584, 198230, 239720, 257699, 299650, 396460, 495575, 515398, 599300, 792920, 991150, 1030796, 1198600, 1288495, 1982300, 2061592, 2576990, 3964600, 5153980, 6442475, 10307960, 12884950, 25769900, 51539800]

約数ペア:

[(1, 51539800), (2, 25769900), (4, 12884950), (5, 10307960), (8, 6442475), (10, 5153980), (13, 3964600), (20, 2576990), (25, 2061592), (26, 1982300), (40, 1288495), (43, 1198600), (50, 1030796), (52, 991150), (65, 792920), (86, 599300), (100, 515398), (104, 495575), (130, 396460), (172, 299650), (200, 257699), (215, 239720), (260, 198230), (325, 158584), (344, 149825), (430, 119860), (461, 111800), (520, 99115), (559, 92200), (650, 79292), (860, 59930), (922, 55900), (1075, 47944), (1118, 46100), (1300, 39646), (1720, 29965), (1844, 27950), (2150, 23972), (2236, 23050), (2305, 22360), (2600, 19823), (2795, 18440), (3688, 13975), (4300, 11986), (4472, 11525), (4610, 11180), (5590, 9220), (5993, 8600)]