26194480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 66558240

約数和(自身を除く): 40363760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 89, 104, 130, 178, 208, 260, 283, 356, 445, 520, 566, 712, 890, 1040, 1132, 1157, 1415, 1424, 1780, 2264, 2314, 2830, 3560, 3679, 4528, 4628, 5660, 5785, 7120, 7358, 9256, 11320, 11570, 14716, 18395, 18512, 22640, 23140, 25187, 29432, 36790, 46280, 50374, 58864, 73580, 92560, 100748, 125935, 147160, 201496, 251870, 294320, 327431, 402992, 503740, 654862, 1007480, 1309724, 1637155, 2014960, 2619448, 3274310, 5238896, 6548620, 13097240, 26194480]

約数ペア:

[(1, 26194480), (2, 13097240), (4, 6548620), (5, 5238896), (8, 3274310), (10, 2619448), (13, 2014960), (16, 1637155), (20, 1309724), (26, 1007480), (40, 654862), (52, 503740), (65, 402992), (80, 327431), (89, 294320), (104, 251870), (130, 201496), (178, 147160), (208, 125935), (260, 100748), (283, 92560), (356, 73580), (445, 58864), (520, 50374), (566, 46280), (712, 36790), (890, 29432), (1040, 25187), (1132, 23140), (1157, 22640), (1415, 18512), (1424, 18395), (1780, 14716), (2264, 11570), (2314, 11320), (2830, 9256), (3560, 7358), (3679, 7120), (4528, 5785), (4628, 5660)]