25769900

素因数分解:

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

素因数の和:531

約数の個数: 72

約数和(自身を含む): 61756464

約数和(自身を除く): 35986564

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 100, 130, 172, 215, 260, 325, 430, 461, 559, 650, 860, 922, 1075, 1118, 1300, 1844, 2150, 2236, 2305, 2795, 4300, 4610, 5590, 5993, 9220, 11180, 11525, 11986, 13975, 19823, 23050, 23972, 27950, 29965, 39646, 46100, 55900, 59930, 79292, 99115, 119860, 149825, 198230, 257699, 299650, 396460, 495575, 515398, 599300, 991150, 1030796, 1288495, 1982300, 2576990, 5153980, 6442475, 12884950, 25769900]

約数ペア:

[(1, 25769900), (2, 12884950), (4, 6442475), (5, 5153980), (10, 2576990), (13, 1982300), (20, 1288495), (25, 1030796), (26, 991150), (43, 599300), (50, 515398), (52, 495575), (65, 396460), (86, 299650), (100, 257699), (130, 198230), (172, 149825), (215, 119860), (260, 99115), (325, 79292), (430, 59930), (461, 55900), (559, 46100), (650, 39646), (860, 29965), (922, 27950), (1075, 23972), (1118, 23050), (1300, 19823), (1844, 13975), (2150, 11986), (2236, 11525), (2305, 11180), (2795, 9220), (4300, 5993), (4610, 5590)]