128358290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{10099}}^1$

素因数の和:10178

約数の個数: 32

約数和(自身を含む): 244339200

約数和(自身を除く): 115980910

約数列:

[1, 2, 5, 10, 31, 41, 62, 82, 155, 205, 310, 410, 1271, 2542, 6355, 10099, 12710, 20198, 50495, 100990, 313069, 414059, 626138, 828118, 1565345, 2070295, 3130690, 4140590, 12835829, 25671658, 64179145, 128358290]

約数ペア:

[(1, 128358290), (2, 64179145), (5, 25671658), (10, 12835829), (31, 4140590), (41, 3130690), (62, 2070295), (82, 1565345), (155, 828118), (205, 626138), (310, 414059), (410, 313069), (1271, 100990), (2542, 50495), (6355, 20198), (10099, 12710)]