66027160

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 153342720

約数和(自身を除く): 87315560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 71, 134, 142, 268, 284, 335, 347, 355, 536, 568, 670, 694, 710, 1340, 1388, 1420, 1735, 2680, 2776, 2840, 3470, 4757, 6940, 9514, 13880, 19028, 23249, 23785, 24637, 38056, 46498, 47570, 49274, 92996, 95140, 98548, 116245, 123185, 185992, 190280, 197096, 232490, 246370, 464980, 492740, 929960, 985480, 1650679, 3301358, 6602716, 8253395, 13205432, 16506790, 33013580, 66027160]

約数ペア:

[(1, 66027160), (2, 33013580), (4, 16506790), (5, 13205432), (8, 8253395), (10, 6602716), (20, 3301358), (40, 1650679), (67, 985480), (71, 929960), (134, 492740), (142, 464980), (268, 246370), (284, 232490), (335, 197096), (347, 190280), (355, 185992), (536, 123185), (568, 116245), (670, 98548), (694, 95140), (710, 92996), (1340, 49274), (1388, 47570), (1420, 46498), (1735, 38056), (2680, 24637), (2776, 23785), (2840, 23249), (3470, 19028), (4757, 13880), (6940, 9514)]