26442880

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:621

約数の個数: 64

約数和(自身を含む): 64137600

約数和(自身を除く): 37694720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 316, 320, 395, 523, 632, 640, 790, 1046, 1264, 1580, 2092, 2528, 2615, 3160, 4184, 5056, 5230, 6320, 8368, 10112, 10460, 12640, 16736, 20920, 25280, 33472, 41317, 41840, 50560, 66944, 82634, 83680, 165268, 167360, 206585, 330536, 334720, 413170, 661072, 826340, 1322144, 1652680, 2644288, 3305360, 5288576, 6610720, 13221440, 26442880]

約数ペア:

[(1, 26442880), (2, 13221440), (4, 6610720), (5, 5288576), (8, 3305360), (10, 2644288), (16, 1652680), (20, 1322144), (32, 826340), (40, 661072), (64, 413170), (79, 334720), (80, 330536), (128, 206585), (158, 167360), (160, 165268), (316, 83680), (320, 82634), (395, 66944), (523, 50560), (632, 41840), (640, 41317), (790, 33472), (1046, 25280), (1264, 20920), (1580, 16736), (2092, 12640), (2528, 10460), (2615, 10112), (3160, 8368), (4184, 6320), (5056, 5230)]