128168075

素因数分解:

$5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{4549}}^1$

素因数の和:4596

約数の個数: 36

約数和(自身を含む): 192956400

約数和(自身を除く): 64788325

約数列:

[1, 5, 7, 23, 25, 35, 49, 115, 161, 175, 245, 575, 805, 1127, 1225, 4025, 4549, 5635, 22745, 28175, 31843, 104627, 113725, 159215, 222901, 523135, 732389, 796075, 1114505, 2615675, 3661945, 5126723, 5572525, 18309725, 25633615, 128168075]

約数ペア:

[(1, 128168075), (5, 25633615), (7, 18309725), (23, 5572525), (25, 5126723), (35, 3661945), (49, 2615675), (115, 1114505), (161, 796075), (175, 732389), (245, 523135), (575, 222901), (805, 159215), (1127, 113725), (1225, 104627), (4025, 31843), (4549, 28175), (5635, 22745)]