26236720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 65933280

約数和(自身を除く): 39696560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 205, 304, 328, 380, 410, 421, 656, 760, 779, 820, 842, 1520, 1558, 1640, 1684, 2105, 3116, 3280, 3368, 3895, 4210, 6232, 6736, 7790, 7999, 8420, 12464, 15580, 15998, 16840, 17261, 31160, 31996, 33680, 34522, 39995, 62320, 63992, 69044, 79990, 86305, 127984, 138088, 159980, 172610, 276176, 319960, 327959, 345220, 639920, 655918, 690440, 1311836, 1380880, 1639795, 2623672, 3279590, 5247344, 6559180, 13118360, 26236720]

約数ペア:

[(1, 26236720), (2, 13118360), (4, 6559180), (5, 5247344), (8, 3279590), (10, 2623672), (16, 1639795), (19, 1380880), (20, 1311836), (38, 690440), (40, 655918), (41, 639920), (76, 345220), (80, 327959), (82, 319960), (95, 276176), (152, 172610), (164, 159980), (190, 138088), (205, 127984), (304, 86305), (328, 79990), (380, 69044), (410, 63992), (421, 62320), (656, 39995), (760, 34522), (779, 33680), (820, 31996), (842, 31160), (1520, 17261), (1558, 16840), (1640, 15998), (1684, 15580), (2105, 12464), (3116, 8420), (3280, 7999), (3368, 7790), (3895, 6736), (4210, 6232)]