25818880

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{877}}^1$

素因数の和:921

約数の個数: 72

約数和(自身を含む): 64606752

約数和(自身を除く): 38787872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 877, 920, 1280, 1472, 1754, 1840, 2944, 3508, 3680, 4385, 5888, 7016, 7360, 8770, 14032, 14720, 17540, 20171, 28064, 29440, 35080, 40342, 56128, 70160, 80684, 100855, 112256, 140320, 161368, 201710, 224512, 280640, 322736, 403420, 561280, 645472, 806840, 1122560, 1290944, 1613680, 2581888, 3227360, 5163776, 6454720, 12909440, 25818880]

約数ペア:

[(1, 25818880), (2, 12909440), (4, 6454720), (5, 5163776), (8, 3227360), (10, 2581888), (16, 1613680), (20, 1290944), (23, 1122560), (32, 806840), (40, 645472), (46, 561280), (64, 403420), (80, 322736), (92, 280640), (115, 224512), (128, 201710), (160, 161368), (184, 140320), (230, 112256), (256, 100855), (320, 80684), (368, 70160), (460, 56128), (640, 40342), (736, 35080), (877, 29440), (920, 28064), (1280, 20171), (1472, 17540), (1754, 14720), (1840, 14032), (2944, 8770), (3508, 7360), (3680, 7016), (4385, 5888)]