65451580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4201}}^1$

素因数の和:4270

約数の個数: 48

約数和(自身を含む): 148246560

約数和(自身を除く): 82794980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 4201, 7790, 8402, 15580, 16804, 21005, 42010, 79819, 84020, 159638, 172241, 319276, 344482, 399095, 688964, 798190, 861205, 1596380, 1722410, 3272579, 3444820, 6545158, 13090316, 16362895, 32725790, 65451580]

約数ペア:

[(1, 65451580), (2, 32725790), (4, 16362895), (5, 13090316), (10, 6545158), (19, 3444820), (20, 3272579), (38, 1722410), (41, 1596380), (76, 861205), (82, 798190), (95, 688964), (164, 399095), (190, 344482), (205, 319276), (380, 172241), (410, 159638), (779, 84020), (820, 79819), (1558, 42010), (3116, 21005), (3895, 16804), (4201, 15580), (7790, 8402)]