71292020

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{641}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 154018368

約数和(自身を除く): 82726348

約数列:

[1, 2, 4, 5, 10, 20, 67, 83, 134, 166, 268, 332, 335, 415, 641, 670, 830, 1282, 1340, 1660, 2564, 3205, 5561, 6410, 11122, 12820, 22244, 27805, 42947, 53203, 55610, 85894, 106406, 111220, 171788, 212812, 214735, 266015, 429470, 532030, 858940, 1064060, 3564601, 7129202, 14258404, 17823005, 35646010, 71292020]

約数ペア:

[(1, 71292020), (2, 35646010), (4, 17823005), (5, 14258404), (10, 7129202), (20, 3564601), (67, 1064060), (83, 858940), (134, 532030), (166, 429470), (268, 266015), (332, 214735), (335, 212812), (415, 171788), (641, 111220), (670, 106406), (830, 85894), (1282, 55610), (1340, 53203), (1660, 42947), (2564, 27805), (3205, 22244), (5561, 12820), (6410, 11122)]