26615680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1$

素因数の和:496

約数の個数: 128

約数和(自身を含む): 78482880

約数和(自身を除く): 51867200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 457, 520, 560, 640, 728, 832, 896, 910, 914, 1040, 1120, 1456, 1664, 1820, 1828, 2080, 2240, 2285, 2912, 3199, 3640, 3656, 4160, 4480, 4570, 5824, 5941, 6398, 7280, 7312, 8320, 9140, 11648, 11882, 12796, 14560, 14624, 15995, 18280, 23764, 25592, 29120, 29248, 29705, 31990, 36560, 41587, 47528, 51184, 58240, 58496, 59410, 63980, 73120, 83174, 95056, 102368, 118820, 127960, 146240, 166348, 190112, 204736, 207935, 237640, 255920, 292480, 332696, 380224, 409472, 415870, 475280, 511840, 665392, 760448, 831740, 950560, 1023680, 1330784, 1663480, 1901120, 2047360, 2661568, 3326960, 3802240, 5323136, 6653920, 13307840, 26615680]

約数ペア:

[(1, 26615680), (2, 13307840), (4, 6653920), (5, 5323136), (7, 3802240), (8, 3326960), (10, 2661568), (13, 2047360), (14, 1901120), (16, 1663480), (20, 1330784), (26, 1023680), (28, 950560), (32, 831740), (35, 760448), (40, 665392), (52, 511840), (56, 475280), (64, 415870), (65, 409472), (70, 380224), (80, 332696), (91, 292480), (104, 255920), (112, 237640), (128, 207935), (130, 204736), (140, 190112), (160, 166348), (182, 146240), (208, 127960), (224, 118820), (260, 102368), (280, 95056), (320, 83174), (364, 73120), (416, 63980), (448, 59410), (455, 58496), (457, 58240), (520, 51184), (560, 47528), (640, 41587), (728, 36560), (832, 31990), (896, 29705), (910, 29248), (914, 29120), (1040, 25592), (1120, 23764), (1456, 18280), (1664, 15995), (1820, 14624), (1828, 14560), (2080, 12796), (2240, 11882), (2285, 11648), (2912, 9140), (3199, 8320), (3640, 7312), (3656, 7280), (4160, 6398), (4480, 5941), (4570, 5824)]